| Rank
|
Page title
|
Views
|
Daily average
|
Assessment
|
Importance
|
| 1
|
Jimmy Carter
|
3,917,015
|
126,355
|
GA
|
High
|
| 2
|
Earth
|
378,856
|
12,221
|
FA
|
Top
|
| 3
|
Atomic bombings of Hiroshima and Nagasaki
|
269,971
|
8,708
|
GA
|
High
|
| 4
|
David Attenborough
|
247,877
|
7,996
|
GA
|
High
|
| 5
|
Călin Georgescu
|
183,668
|
5,924
|
Start
|
Unknown
|
| 6
|
Kessler syndrome
|
176,071
|
5,679
|
Start
|
Low
|
| 7
|
Bhopal disaster
|
172,547
|
5,566
|
B
|
High
|
| 8
|
Tesla Cybertruck
|
142,513
|
4,597
|
C
|
Mid
|
| 9
|
Fukushima nuclear accident
|
142,382
|
4,592
|
GA
|
High
|
| 10
|
Ed Begley Jr.
|
126,173
|
4,070
|
C
|
Mid
|
| 11
|
Al Gore
|
119,792
|
3,864
|
GA
|
Mid
|
| 12
|
Industrial Revolution
|
116,764
|
3,766
|
C
|
Mid
|
| 13
|
Kardashev scale
|
113,085
|
3,647
|
B
|
Low
|
| 14
|
Sustainable development
|
108,529
|
3,500
|
C
|
Top
|
| 15
|
Charles Darwin
|
105,900
|
3,416
|
FA
|
High
|
| 16
|
Greta Thunberg
|
105,789
|
3,412
|
GA
|
High
|
| 17
|
World population
|
102,340
|
3,301
|
B
|
Top
|
| 18
|
Sustainable Development Goals
|
101,352
|
3,269
|
C
|
High
|
| 19
|
Amazon rainforest
|
96,828
|
3,123
|
B
|
Top
|
| 20
|
Tsar Bomba
|
96,485
|
3,112
|
B
|
High
|
| 21
|
Nuclear weapon
|
94,515
|
3,048
|
C
|
High
|
| 22
|
Three Mile Island accident
|
93,065
|
3,002
|
B
|
High
|
| 23
|
Asbestos
|
83,876
|
2,705
|
B
|
High
|
| 24
|
Climate change
|
81,549
|
2,630
|
FA
|
Top
|
| 25
|
Rivian
|
81,435
|
2,626
|
C
|
Low
|
| 26
|
VX (nerve agent)
|
72,668
|
2,344
|
C
|
Mid
|
| 27
|
The Day After Tomorrow
|
71,192
|
2,296
|
C
|
Mid
|
| 28
|
Cancer
|
70,128
|
2,262
|
B
|
High
|
| 29
|
Sarin
|
69,912
|
2,255
|
B
|
Mid
|
| 30
|
List of countries by air pollution
|
67,955
|
2,192
|
List
|
Low
|
| 31
|
Agent Orange
|
67,855
|
2,188
|
GA
|
High
|
| 32
|
Botany
|
67,127
|
2,165
|
GA
|
High
|
| 33
|
Mercury (element)
|
67,087
|
2,164
|
GA
|
High
|
| 34
|
Fungus
|
67,082
|
2,163
|
FA
|
High
|
| 35
|
Thermonuclear weapon
|
66,671
|
2,150
|
C
|
High
|
| 36
|
BP
|
66,439
|
2,143
|
B
|
High
|
| 37
|
Shell plc
|
62,492
|
2,015
|
B
|
Low
|
| 38
|
Pollution
|
60,690
|
1,957
|
B
|
Top
|
| 39
|
John Thune
|
60,498
|
1,951
|
C
|
Low
|
| 40
|
Three Gorges Dam
|
60,041
|
1,936
|
GA
|
Mid
|
| 41
|
Chernobyl Nuclear Power Plant
|
59,374
|
1,915
|
B
|
High
|
| 42
|
Agriculture
|
58,666
|
1,892
|
GA
|
High
|
| 43
|
Dust Bowl
|
58,367
|
1,882
|
B
|
Mid
|
| 44
|
Willem-Alexander of the Netherlands
|
57,715
|
1,861
|
C
|
Low
|
| 45
|
Acute radiation syndrome
|
57,361
|
1,850
|
B
|
Mid
|
| 46
|
Ocean
|
56,670
|
1,828
|
B
|
High
|
| 47
|
Trinity (nuclear test)
|
55,963
|
1,805
|
FA
|
High
|
| 48
|
ExxonMobil
|
55,744
|
1,798
|
B
|
Mid
|
| 49
|
Petroleum
|
54,291
|
1,751
|
C
|
High
|
| 50
|
Air pollution
|
53,981
|
1,741
|
B
|
Top
|
| 51
|
Lead
|
53,128
|
1,713
|
FA
|
High
|
| 52
|
Ice age
|
52,937
|
1,707
|
B
|
High
|
| 53
|
Carbon dioxide
|
52,820
|
1,703
|
C
|
High
|
| 54
|
Life
|
50,390
|
1,625
|
GA
|
Top
|
| 55
|
Atmosphere of Earth
|
49,888
|
1,609
|
C
|
High
|
| 56
|
Music of the Spheres World Tour
|
48,898
|
1,577
|
GA
|
Low
|
| 57
|
Water pollution
|
48,805
|
1,574
|
B
|
High
|
| 58
|
Chernobyl
|
48,661
|
1,569
|
B
|
High
|
| 59
|
Erin Brockovich (film)
|
48,505
|
1,564
|
C
|
Low
|
| 60
|
Tree
|
47,195
|
1,522
|
GA
|
Low
|
| 61
|
Lucid Motors
|
46,813
|
1,510
|
C
|
Mid
|
| 62
|
Extinction
|
46,651
|
1,504
|
C
|
High
|
| 63
|
Tesla Model 3
|
46,293
|
1,493
|
B
|
Low
|
| 64
|
Formula E
|
46,092
|
1,486
|
C
|
Low
|
| 65
|
Chernobyl exclusion zone
|
46,052
|
1,485
|
C
|
High
|
| 66
|
Bromine
|
45,915
|
1,481
|
GA
|
Mid
|
| 67
|
Dark Waters (2019 film)
|
45,770
|
1,476
|
Start
|
Low
|
| 68
|
Toyota Prius
|
45,740
|
1,475
|
B
|
Mid
|
| 69
|
Salton Sea
|
44,250
|
1,427
|
B
|
Mid
|
| 70
|
Mustard gas
|
43,916
|
1,416
|
B
|
Mid
|
| 71
|
Abiogenesis
|
43,853
|
1,414
|
GA
|
High
|
| 72
|
IUCN Red List
|
43,851
|
1,414
|
C
|
Mid
|
| 73
|
Kyshtym disaster
|
43,733
|
1,410
|
C
|
High
|
| 74
|
Biodiversity
|
43,367
|
1,398
|
C
|
Top
|
| 75
|
Organic farming
|
42,839
|
1,381
|
B
|
Top
|
| 76
|
Deepwater Horizon oil spill
|
42,812
|
1,381
|
C
|
High
|
| 77
|
Happy Feet
|
42,523
|
1,371
|
B
|
Unknown
|
| 78
|
Tesla Model Y
|
42,441
|
1,369
|
C
|
Mid
|
| 79
|
Coal
|
41,954
|
1,353
|
C
|
Top
|
| 80
|
Great Smog of London
|
41,801
|
1,348
|
B
|
Low
|
| 81
|
Chlorine
|
41,590
|
1,341
|
GA
|
Mid
|
| 82
|
Conservation status
|
41,533
|
1,339
|
C
|
Mid
|
| 83
|
Waterworld
|
40,425
|
1,304
|
C
|
Low
|
| 84
|
Radioactive decay
|
39,835
|
1,285
|
C
|
High
|
| 85
|
El Niño–Southern Oscillation
|
39,685
|
1,280
|
C
|
High
|
| 86
|
Little Ice Age
|
39,632
|
1,278
|
B
|
High
|
| 87
|
Susan Collins
|
39,004
|
1,258
|
B
|
Low
|
| 88
|
Svalbard Global Seed Vault
|
38,483
|
1,241
|
B
|
Mid
|
| 89
|
Cigarette
|
38,339
|
1,236
|
B
|
Mid
|
| 90
|
Carbon monoxide
|
38,221
|
1,232
|
B
|
High
|
| 91
|
Christiana Figueres
|
38,188
|
1,231
|
C
|
Low
|
| 92
|
Views of Elon Musk
|
38,184
|
1,231
|
B
|
Low
|
| 93
|
Arsenic
|
38,161
|
1,231
|
B
|
High
|
| 94
|
Paris Agreement
|
38,040
|
1,227
|
GA
|
Top
|
| 95
|
Tesla Model S
|
37,102
|
1,196
|
B
|
Top
|
| 96
|
Palm oil
|
36,837
|
1,188
|
B
|
Mid
|
| 97
|
Benzene
|
36,815
|
1,187
|
B
|
High
|
| 98
|
Prisoner's dilemma
|
36,616
|
1,181
|
C
|
High
|
| 99
|
Epigenetics
|
36,444
|
1,175
|
B
|
Mid
|
| 100
|
Chipko movement
|
36,326
|
1,171
|
C
|
High
|
| 101
|
Younger Dryas
|
36,235
|
1,168
|
B
|
Low
|
| 102
|
Al-Khwarizmi
|
36,057
|
1,163
|
B
|
Low
|
| 103
|
Tesla Roadster (first generation)
|
35,863
|
1,156
|
B
|
Low
|
| 104
|
Plastic
|
35,684
|
1,151
|
B
|
High
|
| 105
|
Renewable energy
|
35,481
|
1,144
|
B
|
Top
|
| 106
|
Diesel exhaust fluid
|
34,871
|
1,124
|
C
|
Low
|
| 107
|
Alliance 90/The Greens
|
34,608
|
1,116
|
B
|
Mid
|
| 108
|
Halliburton
|
34,557
|
1,114
|
B
|
Unknown
|
| 109
|
Benjamin Bronfman
|
34,442
|
1,111
|
Start
|
Low
|
| 110
|
Plutonium
|
34,322
|
1,107
|
FA
|
High
|
| 111
|
Waste management
|
34,131
|
1,101
|
B
|
Mid
|
| 112
|
BMW i8
|
34,098
|
1,099
|
C
|
High
|
| 113
|
Air quality index
|
33,189
|
1,070
|
C
|
Mid
|
| 114
|
Castle Bravo
|
33,021
|
1,065
|
C
|
High
|
| 115
|
Diesel fuel
|
32,921
|
1,061
|
C
|
Mid
|
| 116
|
Tundra
|
32,844
|
1,059
|
B
|
Low
|
| 117
|
Nuclear fission
|
32,594
|
1,051
|
B
|
High
|
| 118
|
Environmental, social, and governance
|
32,589
|
1,051
|
C
|
Mid
|
| 119
|
Xiaomi SU7
|
32,119
|
1,036
|
Start
|
Low
|
| 120
|
Per- and polyfluoroalkyl substances
|
31,849
|
1,027
|
C
|
High
|
| 121
|
Pace University School of Law
|
31,308
|
1,009
|
Start
|
High
|
| 122
|
Ecosystem
|
31,190
|
1,006
|
B
|
Top
|
| 123
|
Fossil fuel
|
31,151
|
1,004
|
C
|
High
|
| 124
|
Walden
|
31,093
|
1,003
|
C
|
Unknown
|
| 125
|
Sustainability
|
31,087
|
1,002
|
B
|
High
|
| 126
|
Julia Butterfly Hill
|
30,812
|
993
|
C
|
Mid
|
| 127
|
3M
|
30,796
|
993
|
B
|
Unknown
|
| 128
|
Biotechnology
|
30,791
|
993
|
C
|
High
|
| 129
|
Last Glacial Period
|
30,750
|
991
|
B
|
Low
|
| 130
|
Solar panel
|
30,729
|
991
|
C
|
High
|
| 131
|
Safe (1995 film)
|
30,516
|
984
|
Start
|
Unknown
|
| 132
|
Goiânia accident
|
30,262
|
976
|
C
|
Mid
|
| 133
|
Nuclear power
|
30,194
|
974
|
GA
|
High
|
| 134
|
Naomi Seibt
|
30,169
|
973
|
Start
|
Low
|
| 135
|
Bidet
|
30,168
|
973
|
C
|
Unknown
|
| 136
|
Greenhouse gas
|
29,907
|
964
|
B
|
Top
|
| 137
|
Fusion power
|
29,837
|
962
|
B
|
Low
|
| 138
|
Air conditioning
|
29,472
|
950
|
C
|
High
|
| 139
|
Centralia mine fire
|
29,463
|
950
|
C
|
Mid
|
| 140
|
Algae
|
29,263
|
943
|
B
|
Mid
|
| 141
|
Prokaryote
|
29,227
|
942
|
B
|
High
|
| 142
|
Deforestation
|
29,056
|
937
|
B
|
Top
|
| 143
|
Tragedy of the commons
|
28,720
|
926
|
B
|
High
|
| 144
|
Monsanto
|
28,337
|
914
|
C
|
Mid
|
| 145
|
Fracking
|
28,261
|
911
|
C
|
Top
|
| 146
|
Biome
|
28,229
|
910
|
C
|
High
|
| 147
|
Permafrost
|
28,122
|
907
|
GA
|
Low
|
| 148
|
Great Pacific Garbage Patch
|
27,901
|
900
|
C
|
Mid
|
| 149
|
Holocene extinction
|
27,757
|
895
|
B
|
High
|
| 150
|
Nuclear power plant
|
27,519
|
887
|
C
|
High
|
| 151
|
International Nuclear and Radiological Event Scale
|
27,399
|
883
|
C
|
Mid
|
| 152
|
Ozone
|
27,027
|
871
|
B
|
Mid
|
| 153
|
Noise pollution
|
26,803
|
864
|
C
|
Mid
|
| 154
|
DDT
|
26,724
|
862
|
B
|
High
|
| 155
|
Van Jones
|
26,646
|
859
|
C
|
High
|
| 156
|
Nuclear and radiation accidents and incidents
|
26,551
|
856
|
B
|
High
|
| 157
|
Polystyrene
|
26,415
|
852
|
B
|
High
|
| 158
|
Natural resource
|
26,320
|
849
|
C
|
Top
|
| 159
|
Love Canal
|
26,124
|
842
|
B
|
High
|
| 160
|
Green Party of the United States
|
25,846
|
833
|
C
|
Mid
|
| 161
|
Electric vehicle
|
25,821
|
832
|
C
|
Top
|
| 162
|
Nuclear warfare
|
25,786
|
831
|
C
|
High
|
| 163
|
Malthusianism
|
25,721
|
829
|
B
|
Low
|
| 164
|
Keystone Pipeline
|
25,574
|
824
|
C
|
Mid
|
| 165
|
Critically Endangered
|
25,558
|
824
|
Start
|
Mid
|
| 166
|
History of Tesla, Inc.
|
25,393
|
819
|
C
|
Low
|
| 167
|
Bicycle
|
25,322
|
816
|
C
|
High
|
| 168
|
Endangered species
|
25,114
|
810
|
C
|
High
|
| 169
|
Rainforest
|
25,029
|
807
|
C
|
High
|
| 170
|
European emission standards
|
25,028
|
807
|
B
|
Mid
|
| 171
|
Water cycle
|
24,969
|
805
|
C
|
High
|
| 172
|
Arts and Crafts movement
|
24,674
|
795
|
B
|
Low
|
| 173
|
John Muir
|
24,660
|
795
|
B
|
Unknown
|
| 174
|
Greenhouse effect
|
24,619
|
794
|
C
|
Top
|
| 175
|
Climatology
|
24,579
|
792
|
C
|
Top
|
| 176
|
Hinkley Point C nuclear power station
|
24,501
|
790
|
C
|
Mid
|
| 177
|
Recycling
|
24,274
|
783
|
B
|
Top
|
| 178
|
Ecology
|
24,213
|
781
|
GA
|
Top
|
| 179
|
Human population projections
|
24,139
|
778
|
B
|
High
|
| 180
|
Nature
|
24,105
|
777
|
C
|
Top
|
| 181
|
Hydroelectricity
|
24,098
|
777
|
C
|
High
|
| 182
|
Will Attenborough
|
24,089
|
777
|
Start
|
Low
|
| 183
|
Microorganism
|
24,013
|
774
|
GA
|
High
|
| 184
|
Kyoto Protocol
|
23,976
|
773
|
C
|
High
|
| 185
|
World Wide Fund for Nature
|
23,905
|
771
|
C
|
Mid
|
| 186
|
Wind turbine
|
23,774
|
766
|
GA
|
Mid
|
| 187
|
David Bale
|
23,746
|
766
|
C
|
Low
|
| 188
|
Patagonia, Inc.
|
23,481
|
757
|
C
|
Low
|
| 189
|
Hydrazine
|
23,443
|
756
|
B
|
Mid
|
| 190
|
Green Party (Ireland)
|
23,425
|
755
|
B
|
Unknown
|
| 191
|
Glacier
|
23,286
|
751
|
B
|
Low
|
| 192
|
Natural environment
|
23,239
|
749
|
B
|
High
|
| 193
|
Dirty bomb
|
23,107
|
745
|
C
|
Mid
|
| 194
|
Weapon of mass destruction
|
23,074
|
744
|
C
|
Mid
|
| 195
|
FernGully: The Last Rainforest
|
23,059
|
743
|
GA
|
Low
|
| 196
|
Buckminster Fuller
|
22,959
|
740
|
C
|
Low
|
| 197
|
United Nations Climate Change Conference
|
22,807
|
735
|
C
|
Unknown
|
| 198
|
National Oceanic and Atmospheric Administration
|
22,701
|
732
|
Start
|
Mid
|
| 199
|
Nuclear submarine
|
22,661
|
731
|
C
|
Unknown
|
| 200
|
Mining
|
22,581
|
728
|
B
|
High
|
| 201
|
Mutual assured destruction
|
22,568
|
728
|
C
|
High
|
| 202
|
Human impact on the environment
|
22,556
|
727
|
C
|
Top
|
| 203
|
Solar power
|
22,411
|
722
|
B
|
High
|
| 204
|
Acid rain
|
22,356
|
721
|
B
|
Top
|
| 205
|
International Solar Alliance
|
22,283
|
718
|
C
|
Mid
|
| 206
|
Earthrise
|
22,146
|
714
|
C
|
High
|
| 207
|
Depleted uranium
|
22,143
|
714
|
B
|
High
|
| 208
|
United States Environmental Protection Agency
|
22,087
|
712
|
B
|
High
|
| 209
|
Corporate social responsibility
|
22,052
|
711
|
B
|
Mid
|
| 210
|
Fuel cell
|
21,970
|
708
|
B
|
High
|
| 211
|
List of countries by carbon dioxide emissions per capita
|
21,960
|
708
|
List
|
High
|
| 212
|
Volkswagen emissions scandal
|
21,876
|
705
|
C
|
High
|
| 213
|
Soil
|
21,823
|
703
|
B
|
Top
|
| 214
|
Exxon Valdez oil spill
|
21,748
|
701
|
B
|
High
|
| 215
|
Porsche Taycan
|
21,735
|
701
|
B
|
High
|
| 216
|
Hamza Yassin
|
21,718
|
700
|
Start
|
Low
|
| 217
|
Anthropocene
|
21,397
|
690
|
B
|
Mid
|
| 218
|
Population growth
|
21,296
|
686
|
C
|
High
|
| 219
|
BMW i3
|
21,228
|
684
|
B
|
High
|
| 220
|
Hybrid electric vehicle
|
20,882
|
673
|
B
|
Mid
|
| 221
|
International Union for Conservation of Nature
|
20,840
|
672
|
C
|
Mid
|
| 222
|
Deb Haaland
|
20,788
|
670
|
B
|
Low
|
| 223
|
Polonium
|
20,780
|
670
|
GA
|
Mid
|
| 224
|
Glyphosate
|
20,764
|
669
|
B
|
Mid
|
| 225
|
Ozone depletion
|
20,695
|
667
|
B
|
High
|
| 226
|
Rainwater harvesting
|
20,675
|
666
|
C
|
Mid
|
| 227
|
Nuclear weapons and Israel
|
20,653
|
666
|
B
|
Low
|
| 228
|
Plug-in hybrid
|
20,647
|
666
|
B
|
Mid
|
| 229
|
Least-concern species
|
20,472
|
660
|
Start
|
Low
|
| 230
|
Laurie David
|
20,369
|
657
|
C
|
Low
|
| 231
|
Nuclear winter
|
20,202
|
651
|
B
|
Low
|
| 232
|
Pathogen
|
20,146
|
649
|
B
|
High
|
| 233
|
Ozone layer
|
20,012
|
645
|
C
|
High
|
| 234
|
Agriculture in India
|
20,003
|
645
|
B
|
High
|
| 235
|
Tesla Model X
|
19,937
|
643
|
C
|
Unknown
|
| 236
|
Electric car
|
19,879
|
641
|
C
|
Top
|
| 237
|
Extinct in the wild
|
19,792
|
638
|
Start
|
Mid
|
| 238
|
Silent Spring
|
19,759
|
637
|
B
|
High
|
| 239
|
Windmill
|
19,623
|
633
|
B
|
High
|
| 240
|
Highest temperature recorded on Earth
|
19,521
|
629
|
C
|
Mid
|
| 241
|
Ecofascism
|
19,470
|
628
|
B
|
Mid
|
| 242
|
Rimac Nevera
|
19,465
|
627
|
C
|
Unknown
|
| 243
|
Invasive species
|
19,438
|
627
|
GA
|
High
|
| 244
|
SL-1
|
19,415
|
626
|
B
|
Mid
|
| 245
|
Water conservation
|
19,369
|
624
|
C
|
High
|
| 246
|
Dichloromethane
|
19,296
|
622
|
B
|
Low
|
| 247
|
Vandana Shiva
|
19,160
|
618
|
B
|
Mid
|
| 248
|
Nissan Leaf
|
19,101
|
616
|
B
|
High
|
| 249
|
Wind power
|
19,025
|
613
|
B
|
High
|
| 250
|
Minamata disease
|
18,820
|
607
|
B
|
Unknown
|
| 251
|
Solar energy
|
18,815
|
606
|
B
|
High
|
| 252
|
Nevada Test Site
|
18,705
|
603
|
B
|
Mid
|
| 253
|
Last Glacial Maximum
|
18,700
|
603
|
B
|
Mid
|
| 254
|
Enriched uranium
|
18,683
|
602
|
B
|
Mid
|
| 255
|
Chemical weapon
|
18,557
|
598
|
C
|
High
|
| 256
|
Carla Denyer
|
18,547
|
598
|
C
|
Low
|
| 257
|
Sewage treatment
|
18,464
|
595
|
B
|
High
|
| 258
|
Carcinogen
|
18,461
|
595
|
C
|
High
|
| 259
|
Median lethal dose
|
18,447
|
595
|
Start
|
High
|
| 260
|
Smog
|
18,355
|
592
|
B
|
Mid
|
| 261
|
Solar cell
|
18,079
|
583
|
B
|
High
|
| 262
|
Bisphenol A
|
18,068
|
582
|
GA
|
High
|
| 263
|
Greenpeace
|
17,996
|
580
|
C
|
High
|
| 264
|
Simple living
|
17,967
|
579
|
Start
|
Unknown
|
| 265
|
Phosgene
|
17,898
|
577
|
B
|
Mid
|
| 266
|
Wildlife
|
17,815
|
574
|
C
|
High
|
| 267
|
List of most-polluted cities by particulate matter concentration
|
17,795
|
574
|
List
|
High
|
| 268
|
Water purification
|
17,757
|
572
|
B
|
High
|
| 269
|
Fast fashion
|
17,687
|
570
|
C
|
Mid
|
| 270
|
Albedo
|
17,650
|
569
|
B
|
Mid
|
| 271
|
Omar Fayed
|
17,582
|
567
|
Start
|
Unknown
|
| 272
|
Civilian Conservation Corps
|
17,564
|
566
|
B
|
High
|
| 273
|
Ecocide
|
17,556
|
566
|
B
|
Mid
|
| 274
|
Portland cement
|
17,537
|
565
|
B
|
High
|
| 275
|
Nuclear holocaust
|
17,474
|
563
|
C
|
High
|
| 276
|
Batagaika crater
|
17,439
|
562
|
C
|
Mid
|
| 277
|
United Nations Framework Convention on Climate Change
|
17,385
|
560
|
C
|
High
|
| 278
|
BYD Seagull
|
17,329
|
559
|
Start
|
Mid
|
| 279
|
Biological warfare
|
17,271
|
557
|
B
|
High
|
| 280
|
Nuclear fallout
|
17,195
|
554
|
C
|
Top
|
| 281
|
Milankovitch cycles
|
17,144
|
553
|
B
|
Low
|
| 282
|
Acetaldehyde
|
17,138
|
552
|
B
|
Mid
|
| 283
|
Megadiverse countries
|
17,073
|
550
|
Start
|
Mid
|
| 284
|
Food security
|
17,058
|
550
|
C
|
Low
|
| 285
|
Cistern
|
17,047
|
549
|
Start
|
Mid
|
| 286
|
Polychlorinated biphenyl
|
16,923
|
545
|
B
|
High
|
| 287
|
Tetraethyllead
|
16,906
|
545
|
C
|
High
|
| 288
|
Tesla Semi
|
16,866
|
544
|
C
|
Low
|
| 289
|
Arsenic poisoning
|
16,820
|
542
|
B
|
High
|
| 290
|
United Nations Convention on the Law of the Sea
|
16,802
|
542
|
C
|
High
|
| 291
|
15-minute city
|
16,797
|
541
|
C
|
High
|
| 292
|
SolarCity
|
16,725
|
539
|
B
|
High
|
| 293
|
Warfarin
|
16,639
|
536
|
GA
|
Mid
|
| 294
|
Water stagnation
|
16,590
|
535
|
Start
|
Low
|
| 295
|
Environmental issues
|
16,554
|
534
|
B
|
Top
|
| 296
|
Segway
|
16,507
|
532
|
C
|
Unknown
|
| 297
|
Clean Air Act (United States)
|
16,381
|
528
|
Start
|
Low
|
| 298
|
Tulsi Gowda
|
16,364
|
527
|
C
|
Unknown
|
| 299
|
Windscale fire
|
16,352
|
527
|
B
|
Mid
|
| 300
|
Nuclear weapons testing
|
16,330
|
526
|
C
|
High
|
| 301
|
Atlantic meridional overturning circulation
|
16,248
|
524
|
C
|
Low
|
| 302
|
Environmental protection
|
16,150
|
520
|
C
|
Top
|
| 303
|
Kingston Fossil Plant coal fly ash slurry spill
|
16,149
|
520
|
GA
|
Mid
|
| 304
|
Eutrophication
|
16,133
|
520
|
B
|
High
|
| 305
|
Electrolysis of water
|
16,120
|
520
|
C
|
Low
|
| 306
|
Lucid Air
|
16,039
|
517
|
C
|
Low
|
| 307
|
Hanford Site
|
16,018
|
516
|
FA
|
Mid
|
| 308
|
Nio Inc.
|
16,015
|
516
|
C
|
Low
|
| 309
|
Chemical warfare
|
15,986
|
515
|
C
|
High
|
| 310
|
Drought
|
15,940
|
514
|
C
|
High
|
| 311
|
Drinking water
|
15,879
|
512
|
B
|
High
|
| 312
|
Volatile organic compound
|
15,879
|
512
|
C
|
Mid
|
| 313
|
Murray Bookchin
|
15,806
|
509
|
B
|
Unknown
|
| 314
|
Fisker Inc.
|
15,729
|
507
|
C
|
Low
|
| 315
|
Russia and weapons of mass destruction
|
15,712
|
506
|
Start
|
High
|
| 316
|
Great Stink
|
15,708
|
506
|
FA
|
Low
|
| 317
|
Carbon footprint
|
15,698
|
506
|
C
|
Mid
|
| 318
|
Bushmeat
|
15,662
|
505
|
C
|
Mid
|
| 319
|
Microplastics
|
15,657
|
505
|
C
|
Top
|
| 320
|
International Atomic Energy Agency
|
15,631
|
504
|
B
|
Mid
|
| 321
|
Climate change denial
|
15,618
|
503
|
C
|
High
|
| 322
|
Weed
|
15,612
|
503
|
B
|
High
|
| 323
|
Global catastrophic risk
|
15,552
|
501
|
B
|
High
|
| 324
|
Electric car use by country
|
15,548
|
501
|
B
|
High
|
| 325
|
Wendell Berry
|
15,530
|
500
|
B
|
Unknown
|
| 326
|
2024 Black Sea oil spill
|
15,492
|
499
|
B
|
Low
|
| 327
|
Gasoline direct injection
|
15,471
|
499
|
C
|
Mid
|
| 328
|
Pesticide
|
15,460
|
498
|
B
|
Mid
|
| 329
|
General Motors EV1
|
15,419
|
497
|
B
|
Top
|
| 330
|
Fresh water
|
15,411
|
497
|
C
|
High
|
| 331
|
Styrene
|
15,404
|
496
|
Start
|
High
|
| 332
|
Economic growth
|
15,331
|
494
|
B
|
High
|
| 333
|
Three Mile Island Nuclear Generating Station
|
15,301
|
493
|
C
|
High
|
| 334
|
Poaching
|
15,278
|
492
|
B
|
Top
|
| 335
|
Chlorofluorocarbon
|
15,239
|
491
|
B
|
Top
|
| 336
|
Tesla Roadster (second generation)
|
15,161
|
489
|
Start
|
Low
|
| 337
|
National park
|
15,155
|
488
|
C
|
High
|
| 338
|
XPeng
|
15,129
|
488
|
C
|
Low
|
| 339
|
Pew Research Center
|
15,125
|
487
|
C
|
Low
|
| 340
|
Old-growth forest
|
15,033
|
484
|
C
|
High
|
| 341
|
Valero Energy
|
14,980
|
483
|
C
|
Low
|
| 342
|
Quality of life
|
14,972
|
482
|
Start
|
Mid
|
| 343
|
Phoebe Plummer
|
14,950
|
482
|
B
|
Low
|
| 344
|
Sea Shepherd Conservation Society
|
14,915
|
481
|
B
|
Unknown
|
| 345
|
Biofuel
|
14,880
|
480
|
C
|
Low
|
| 346
|
New 7 Wonders of Nature
|
14,849
|
479
|
Start
|
Unknown
|
| 347
|
Rachel Carson
|
14,840
|
478
|
FA
|
High
|
| 348
|
Boaty McBoatface
|
14,821
|
478
|
C
|
Low
|
| 349
|
Combined Charging System
|
14,717
|
474
|
Start
|
Mid
|
| 350
|
Greenhouse gas emissions
|
14,531
|
468
|
C
|
Top
|
| 351
|
Solarpunk
|
14,514
|
468
|
B
|
Low
|
| 352
|
Michael McCaul
|
14,493
|
467
|
Start
|
Low
|
| 353
|
Honda Insight
|
14,492
|
467
|
B
|
Low
|
| 354
|
Permethrin
|
14,469
|
466
|
C
|
Low
|
| 355
|
History of the electric vehicle
|
14,469
|
466
|
B
|
Unknown
|
| 356
|
Jevons paradox
|
14,469
|
466
|
GA
|
Mid
|
| 357
|
Deepwater Horizon explosion
|
14,400
|
464
|
C
|
Unknown
|
| 358
|
Chemical weapons in World War I
|
14,361
|
463
|
C
|
Low
|
| 359
|
List of BYD Auto vehicles
|
14,342
|
462
|
List
|
Low
|
| 360
|
CITES
|
14,305
|
461
|
C
|
Mid
|
| 361
|
Trade winds
|
14,267
|
460
|
GA
|
Mid
|
| 362
|
Subarctic climate
|
14,250
|
459
|
C
|
Low
|
| 363
|
Ivy Mike
|
14,173
|
457
|
C
|
High
|
| 364
|
Stream
|
14,168
|
457
|
Start
|
Mid
|
| 365
|
Gaia hypothesis
|
14,154
|
456
|
C
|
Low
|
| 366
|
Photovoltaics
|
14,134
|
455
|
C
|
Mid
|
| 367
|
Yvon Chouinard
|
14,120
|
455
|
Start
|
Unknown
|
| 368
|
Methyl isocyanate
|
14,062
|
453
|
B
|
Mid
|
| 369
|
GMC Hummer EV
|
14,050
|
453
|
C
|
Low
|
| 370
|
Genetically modified organism
|
14,031
|
452
|
GA
|
Mid
|
| 371
|
Phthalates
|
14,026
|
452
|
B
|
High
|
| 372
|
Earth Day
|
14,007
|
451
|
C
|
High
|
| 373
|
Electric bicycle
|
13,998
|
451
|
C
|
Mid
|
| 374
|
Snowball Earth
|
13,990
|
451
|
B
|
Low
|
| 375
|
Hyundai Ioniq 5
|
13,979
|
450
|
C
|
Low
|
| 376
|
Tesla Cybercab
|
13,976
|
450
|
Unknown
|
Unknown
|
| 377
|
Pastoralism
|
13,930
|
449
|
C
|
Mid
|
| 378
|
Lignite
|
13,917
|
448
|
C
|
High
|
| 379
|
Pesticide poisoning
|
13,903
|
448
|
C
|
High
|
| 380
|
Smokey Bear
|
13,902
|
448
|
B
|
Mid
|
| 381
|
Waterfall
|
13,862
|
447
|
B
|
Mid
|
| 382
|
Toyota Mirai
|
13,799
|
445
|
B
|
High
|
| 383
|
Recycling codes
|
13,789
|
444
|
Start
|
Unknown
|
| 384
|
Tropical savanna climate
|
13,662
|
440
|
Start
|
Mid
|
| 385
|
Anne Hidalgo
|
13,645
|
440
|
C
|
Low
|
| 386
|
Mate Rimac
|
13,627
|
439
|
C
|
Low
|
| 387
|
African humid period
|
13,622
|
439
|
GA
|
Low
|
| 388
|
Teratology
|
13,606
|
438
|
C
|
Mid
|
| 389
|
Carbon dioxide in Earth's atmosphere
|
13,577
|
437
|
C
|
Mid
|
| 390
|
List of global issues
|
13,557
|
437
|
List
|
Low
|
| 391
|
Breeder reactor
|
13,546
|
436
|
C
|
Low
|
| 392
|
Joseph Stiglitz
|
13,540
|
436
|
B
|
Mid
|
| 393
|
Hybrid vehicle
|
13,540
|
436
|
C
|
High
|
| 394
|
Environmental movement
|
13,474
|
434
|
B
|
High
|
| 395
|
Habitable zone
|
13,351
|
430
|
B
|
Low
|
| 396
|
Fukushima Daiichi Nuclear Power Plant
|
13,342
|
430
|
C
|
High
|
| 397
|
Sellafield
|
13,299
|
429
|
B
|
High
|
| 398
|
Effects of climate change
|
13,269
|
428
|
GA
|
Top
|
| 399
|
Soil contamination
|
13,253
|
427
|
C
|
Mid
|
| 400
|
Carbon capture and storage
|
13,249
|
427
|
C
|
Mid
|
| 401
|
Jaguar C-X75
|
13,242
|
427
|
B
|
Mid
|
| 402
|
BYD Seal
|
13,238
|
427
|
C
|
Unknown
|
| 403
|
Keystone species
|
13,177
|
425
|
GA
|
Mid
|
| 404
|
Just Stop Oil
|
13,175
|
425
|
B
|
Low
|
| 405
|
Timeline of first images of Earth from space
|
13,097
|
422
|
List
|
Low
|
| 406
|
Motor oil
|
13,036
|
420
|
C
|
Low
|
| 407
|
Radioactive waste
|
13,011
|
419
|
B
|
High
|
| 408
|
Landfill
|
12,999
|
419
|
C
|
Mid
|
| 409
|
1966 Palomares incident
|
12,997
|
419
|
B
|
High
|
| 410
|
An Inconvenient Truth
|
12,952
|
417
|
GA
|
Mid
|
| 411
|
Biosphere
|
12,929
|
417
|
C
|
High
|
| 412
|
Permaculture
|
12,902
|
416
|
GA
|
Mid
|
| 413
|
Wastewater treatment
|
12,857
|
414
|
C
|
High
|
| 414
|
List of countries by renewable electricity production
|
12,851
|
414
|
List
|
Mid
|
| 415
|
List of countries by carbon dioxide emissions
|
12,848
|
414
|
List
|
Mid
|
| 416
|
Cultured meat
|
12,833
|
413
|
B
|
Unknown
|
| 417
|
Superfund
|
12,799
|
412
|
B
|
Low
|
| 418
|
Light pollution
|
12,786
|
412
|
C
|
Unknown
|
| 419
|
Chevrolet Bolt
|
12,755
|
411
|
Start
|
High
|
| 420
|
Effects of nuclear explosions
|
12,728
|
410
|
B
|
High
|
| 421
|
Nuclear testing at Bikini Atoll
|
12,686
|
409
|
B
|
High
|
| 422
|
Sea level rise
|
12,676
|
408
|
GA
|
High
|
| 423
|
The Limits to Growth
|
12,632
|
407
|
B
|
Low
|
| 424
|
Montreal Protocol
|
12,616
|
406
|
C
|
High
|
| 425
|
NIMBY
|
12,578
|
405
|
B
|
Mid
|
| 426
|
Seawater
|
12,569
|
405
|
C
|
High
|
| 427
|
Ethylene oxide
|
12,535
|
404
|
B
|
Mid
|
| 428
|
Greenwashing
|
12,514
|
403
|
C
|
Mid
|
| 429
|
Slag
|
12,487
|
402
|
C
|
Mid
|
| 430
|
North American Charging System
|
12,479
|
402
|
C
|
Mid
|
| 431
|
Toyota Prius Plug-in Hybrid
|
12,379
|
399
|
B
|
Mid
|
| 432
|
Pollution of the Ganges
|
12,370
|
399
|
C
|
Unknown
|
| 433
|
Nuclear power in the United States
|
12,356
|
398
|
B
|
High
|
| 434
|
Nuclear power in the United Kingdom
|
12,248
|
395
|
B
|
Mid
|
| 435
|
Agroforestry
|
12,247
|
395
|
C
|
Low
|
| 436
|
Lotus Evija
|
12,227
|
394
|
C
|
Low
|
| 437
|
Ford Mustang Mach-E
|
12,223
|
394
|
Start
|
Low
|
| 438
|
Desertification
|
12,210
|
393
|
C
|
High
|
| 439
|
Political positions of Jimmy Carter
|
12,155
|
392
|
Start
|
Low
|
| 440
|
Chevrolet Volt
|
12,103
|
390
|
B
|
High
|
| 441
|
Genetically modified food
|
12,087
|
389
|
B
|
Mid
|
| 442
|
Compost
|
12,082
|
389
|
B
|
Low
|
| 443
|
Hydrogen vehicle
|
12,071
|
389
|
B
|
High
|
| 444
|
Doomer
|
12,056
|
388
|
Start
|
Low
|
| 445
|
Diesel particulate filter
|
12,034
|
388
|
C
|
Mid
|
| 446
|
Petroleum industry
|
12,029
|
388
|
C
|
High
|
| 447
|
Trichloroethylene
|
12,016
|
387
|
B
|
Mid
|
| 448
|
Intergovernmental Panel on Climate Change
|
12,009
|
387
|
B
|
High
|
| 449
|
Toyota bZ4X
|
11,990
|
386
|
C
|
Low
|
| 450
|
Perfluorooctanoic acid
|
11,953
|
385
|
B
|
Mid
|
| 451
|
Aquaculture
|
11,944
|
385
|
B
|
Low
|
| 452
|
Ecotourism
|
11,941
|
385
|
C
|
High
|
| 453
|
Carbon cycle
|
11,922
|
384
|
B
|
High
|
| 454
|
Zone rouge
|
11,916
|
384
|
Start
|
Mid
|
| 455
|
Great Green Wall (Africa)
|
11,870
|
382
|
Start
|
Mid
|
| 456
|
Fisker Ocean
|
11,859
|
382
|
C
|
Unknown
|
| 457
|
Aerosol
|
11,838
|
381
|
C
|
High
|
| 458
|
How to Blow Up a Pipeline (film)
|
11,821
|
381
|
GA
|
Low
|
| 459
|
Habitat
|
11,812
|
381
|
GA
|
High
|
| 460
|
Environmentalism
|
11,797
|
380
|
B
|
Top
|
| 461
|
Concentrated solar power
|
11,797
|
380
|
C
|
High
|
| 462
|
Perovskite solar cell
|
11,784
|
380
|
C
|
Mid
|
| 463
|
Yangwang U9
|
11,762
|
379
|
Stub
|
Unknown
|
| 464
|
Ivanpah Solar Power Facility
|
11,755
|
379
|
C
|
Mid
|
| 465
|
Conspicuous consumption
|
11,748
|
378
|
B
|
Low
|
| 466
|
Food web
|
11,743
|
378
|
B
|
High
|
| 467
|
Petrochemical
|
11,739
|
378
|
Start
|
High
|
| 468
|
Ecosia
|
11,726
|
378
|
C
|
Low
|
| 469
|
Land reclamation
|
11,720
|
378
|
C
|
Mid
|
| 470
|
United Nations Environment Programme
|
11,701
|
377
|
B
|
Mid
|
| 471
|
Polestar 2
|
11,633
|
375
|
C
|
Low
|
| 472
|
Acrylamide
|
11,632
|
375
|
B
|
Mid
|
| 473
|
Prairie
|
11,601
|
374
|
B
|
Mid
|
| 474
|
Sustainable agriculture
|
11,601
|
374
|
C
|
High
|
| 475
|
Plutonium-239
|
11,587
|
373
|
C
|
Mid
|
| 476
|
Jungle
|
11,584
|
373
|
C
|
Mid
|
| 477
|
Sustainable living
|
11,574
|
373
|
B
|
High
|
| 478
|
Millennium Development Goals
|
11,570
|
373
|
C
|
Low
|
| 479
|
Vulnerable species
|
11,560
|
372
|
Start
|
Mid
|
| 480
|
Kuwaiti oil fires
|
11,542
|
372
|
C
|
High
|
| 481
|
Honda CR-Z
|
11,542
|
372
|
B
|
Mid
|
| 482
|
Hydropower
|
11,483
|
370
|
C
|
Unknown
|
| 483
|
BMW i4
|
11,471
|
370
|
Start
|
High
|
| 484
|
Volkswagen ID. Buzz
|
11,445
|
369
|
C
|
Mid
|
| 485
|
List of largest hydroelectric power stations
|
11,438
|
368
|
C
|
Unknown
|
| 486
|
Crankcase ventilation system
|
11,427
|
368
|
C
|
Low
|
| 487
|
Plastic pollution
|
11,422
|
368
|
B
|
High
|
| 488
|
Risk
|
11,414
|
368
|
C
|
High
|
| 489
|
Erosion
|
11,383
|
367
|
C
|
High
|
| 490
|
Rolls-Royce Spectre
|
11,356
|
366
|
Start
|
Low
|
| 491
|
Lake Karachay
|
11,351
|
366
|
Start
|
Unknown
|
| 492
|
Nitrogen fixation
|
11,339
|
365
|
B
|
Mid
|
| 493
|
Great Green Wall (China)
|
11,297
|
364
|
C
|
Mid
|
| 494
|
Biogas
|
11,283
|
363
|
C
|
Mid
|
| 495
|
Honda e
|
11,271
|
363
|
C
|
Low
|
| 496
|
Green New Deal
|
11,269
|
363
|
C
|
Low
|
| 497
|
Jim Banks
|
11,237
|
362
|
C
|
Low
|
| 498
|
Bharat stage emission standards
|
11,233
|
362
|
C
|
Low
|
| 499
|
Oil spill
|
11,232
|
362
|
B
|
Low
|
| 500
|
Robin Wall Kimmerer
|
11,232
|
362
|
C
|
Low
|
| 501
|
Natural history
|
11,208
|
361
|
C
|
High
|
| 502
|
Earth Summit
|
11,187
|
360
|
Start
|
Low
|
| 503
|
Carbon offsets and credits
|
11,116
|
358
|
B
|
High
|
| 504
|
Air pollution in Delhi
|
11,093
|
357
|
C
|
Low
|
| 505
|
Just Stop Oil Sunflowers protest
|
11,083
|
357
|
B
|
Low
|
| 506
|
BMW M Hybrid V8
|
11,080
|
357
|
Stub
|
Low
|
| 507
|
Michael C. Burgess
|
11,026
|
355
|
Start
|
Low
|
| 508
|
Aflatoxin
|
10,994
|
354
|
B
|
High
|
| 509
|
Pininfarina Battista
|
10,981
|
354
|
Start
|
Low
|
| 510
|
Neurotoxin
|
10,976
|
354
|
B
|
High
|
| 511
|
Dersu Uzala (1975 film)
|
10,967
|
353
|
C
|
Low
|
| 512
|
Eustace Conway
|
10,961
|
353
|
Start
|
Unknown
|
| 513
|
Extremophile
|
10,895
|
351
|
C
|
Mid
|
| 514
|
BYD Qin
|
10,816
|
348
|
Start
|
High
|
| 515
|
Freon
|
10,812
|
348
|
Start
|
High
|
| 516
|
Effects of the Chernobyl disaster
|
10,809
|
348
|
C
|
High
|
| 517
|
Nikola Corporation
|
10,744
|
346
|
C
|
Unknown
|
| 518
|
Volkswagen ID.4
|
10,723
|
345
|
C
|
Unknown
|
| 519
|
Sanitation
|
10,680
|
344
|
B
|
High
|
| 520
|
Ship breaking
|
10,678
|
344
|
Stub
|
Unknown
|
| 521
|
Roundup (herbicide)
|
10,671
|
344
|
C
|
High
|
| 522
|
List of environmental dates
|
10,647
|
343
|
List
|
Mid
|
| 523
|
Forest of Dean
|
10,633
|
343
|
C
|
Mid
|
| 524
|
Michael Shellenberger
|
10,630
|
342
|
C
|
Low
|
| 525
|
Eco-terrorism
|
10,581
|
341
|
C
|
High
|
| 526
|
Environmental degradation
|
10,574
|
341
|
C
|
Top
|
| 527
|
Solar-cell efficiency
|
10,565
|
340
|
B
|
High
|
| 528
|
Sustainable energy
|
10,534
|
339
|
FA
|
High
|
| 529
|
Biodiesel
|
10,468
|
337
|
C
|
Low
|
| 530
|
Anthropocentrism
|
10,443
|
336
|
C
|
High
|
| 531
|
Mycotoxin
|
10,425
|
336
|
C
|
Mid
|
| 532
|
Environment Protection Act, 1986
|
10,404
|
335
|
Start
|
Low
|
| 533
|
The Honest Company
|
10,382
|
334
|
Start
|
Low
|
| 534
|
Energy conservation
|
10,367
|
334
|
B
|
Low
|
| 535
|
Waste Management, Inc.
|
10,343
|
333
|
Start
|
Low
|
| 536
|
Incineration
|
10,340
|
333
|
B
|
Mid
|
| 537
|
Pumped-storage hydroelectricity
|
10,294
|
332
|
B
|
Unknown
|
| 538
|
Rodenticide
|
10,269
|
331
|
C
|
Mid
|
| 539
|
Environmental science
|
10,263
|
331
|
C
|
Unknown
|
| 540
|
Battery electric vehicle
|
10,236
|
330
|
C
|
Mid
|
| 541
|
BYD Atto 3
|
10,198
|
328
|
Start
|
Low
|
| 542
|
Fatberg
|
10,185
|
328
|
Start
|
Low
|
| 543
|
Hydrogenation
|
10,128
|
326
|
B
|
Unknown
|
| 544
|
Renovation
|
10,121
|
326
|
Start
|
High
|
| 545
|
Polycyclic aromatic hydrocarbon
|
10,088
|
325
|
B
|
High
|
| 546
|
Family planning
|
10,083
|
325
|
B
|
Low
|
| 547
|
Jim Inhofe
|
10,040
|
323
|
B
|
Low
|
| 548
|
Solar power by country
|
10,032
|
323
|
C
|
High
|
| 549
|
LEED
|
10,001
|
322
|
C
|
High
|
| 550
|
Climate of Antarctica
|
9,965
|
321
|
C
|
High
|
| 551
|
Heat recovery ventilation
|
9,955
|
321
|
C
|
Low
|
| 552
|
Air pollution in India
|
9,941
|
320
|
C
|
Mid
|
| 553
|
Yucca Mountain nuclear waste repository
|
9,931
|
320
|
C
|
Low
|
| 554
|
Medieval Warm Period
|
9,922
|
320
|
C
|
Low
|
| 555
|
Fracking proppants
|
9,919
|
319
|
C
|
Mid
|
| 556
|
Dimethylmercury
|
9,906
|
319
|
C
|
Mid
|
| 557
|
Green politics
|
9,887
|
318
|
C
|
Low
|
| 558
|
Slash-and-burn
|
9,868
|
318
|
C
|
Mid
|
| 559
|
Particulates
|
9,864
|
318
|
B
|
High
|
| 560
|
Fisker Karma
|
9,863
|
318
|
B
|
Mid
|
| 561
|
Electronic waste
|
9,847
|
317
|
C
|
Unknown
|
| 562
|
Renault 5 E-Tech
|
9,839
|
317
|
C
|
Low
|
| 563
|
BYD Dolphin
|
9,837
|
317
|
C
|
Low
|
| 564
|
Toxicity
|
9,761
|
314
|
C
|
High
|
| 565
|
Dana Rohrabacher
|
9,758
|
314
|
B
|
Mid
|
| 566
|
Atrazine
|
9,752
|
314
|
Start
|
High
|
| 567
|
Marine life
|
9,741
|
314
|
B
|
High
|
| 568
|
Wangarĩ Maathai
|
9,732
|
313
|
B
|
High
|
| 569
|
Oxy-fuel welding and cutting
|
9,730
|
313
|
B
|
Unknown
|
| 570
|
NOx
|
9,708
|
313
|
Start
|
Low
|
| 571
|
Global warming potential
|
9,704
|
313
|
C
|
Low
|
| 572
|
Australian feral camel
|
9,695
|
312
|
B
|
Low
|
| 573
|
Hydrogen production
|
9,690
|
312
|
C
|
Mid
|
| 574
|
Solar power in India
|
9,685
|
312
|
C
|
Mid
|
| 575
|
Chemical Weapons Convention
|
9,682
|
312
|
C
|
High
|
| 576
|
Douglas Tompkins
|
9,664
|
311
|
C
|
Mid
|
| 577
|
Ramsar Convention
|
9,663
|
311
|
C
|
Mid
|
| 578
|
McMurtry Spéirling
|
9,657
|
311
|
Start
|
Unknown
|
| 579
|
Baraka (film)
|
9,640
|
310
|
Start
|
Unknown
|
| 580
|
Firestorm
|
9,607
|
309
|
C
|
Mid
|
| 581
|
Effects of war
|
9,589
|
309
|
C
|
Mid
|
| 582
|
Rivian R1T
|
9,589
|
309
|
Start
|
Low
|
| 583
|
Rechargeable battery
|
9,581
|
309
|
C
|
High
|
| 584
|
Dartmoor
|
9,536
|
307
|
C
|
High
|
| 585
|
Circular economy
|
9,517
|
307
|
C
|
Mid
|
| 586
|
BYD Blade battery
|
9,516
|
306
|
Start
|
Mid
|
| 587
|
Subsistence agriculture
|
9,514
|
306
|
C
|
Low
|
| 588
|
High-occupancy vehicle lane
|
9,480
|
305
|
C
|
High
|
| 589
|
Daigo Fukuryū Maru
|
9,477
|
305
|
C
|
Mid
|
| 590
|
Human overpopulation
|
9,462
|
305
|
C
|
High
|
| 591
|
Australian Greens
|
9,461
|
305
|
B
|
Unknown
|
| 592
|
Non-renewable resource
|
9,418
|
303
|
C
|
High
|
| 593
|
Resource
|
9,403
|
303
|
C
|
High
|
| 594
|
Arable land
|
9,388
|
302
|
C
|
High
|
| 595
|
Sunlight
|
9,374
|
302
|
B
|
Low
|
| 596
|
Global surface temperature
|
9,322
|
300
|
C
|
Unknown
|
| 597
|
Debate over the atomic bombings of Hiroshima and Nagasaki
|
9,316
|
300
|
B
|
Mid
|
| 598
|
Water scarcity
|
9,294
|
299
|
B
|
High
|
| 599
|
South Africa and weapons of mass destruction
|
9,287
|
299
|
Start
|
Mid
|
| 600
|
Recycling symbol
|
9,284
|
299
|
Start
|
Unknown
|
| 601
|
Timeline of glaciation
|
9,282
|
299
|
List
|
Unknown
|
| 602
|
David Suzuki
|
9,279
|
299
|
B
|
Unknown
|
| 603
|
Globally Harmonized System of Classification and Labelling of Chemicals
|
9,265
|
298
|
C
|
Mid
|
| 604
|
Biofouling
|
9,243
|
298
|
B
|
Low
|
| 605
|
Arbor Day
|
9,228
|
297
|
C
|
High
|
| 606
|
Toxicology
|
9,212
|
297
|
C
|
Mid
|
| 607
|
Alpha decay
|
9,208
|
297
|
C
|
Mid
|
| 608
|
Subsidy
|
9,188
|
296
|
C
|
Mid
|
| 609
|
Biological agent
|
9,171
|
295
|
C
|
High
|
| 610
|
Chico Mendes
|
9,164
|
295
|
C
|
High
|
| 611
|
Renewable resource
|
9,141
|
294
|
Start
|
Mid
|
| 612
|
List of battery electric vehicles
|
9,115
|
294
|
List
|
Mid
|
| 613
|
Tesla Powerwall
|
9,115
|
294
|
C
|
High
|
| 614
|
History of nuclear weapons
|
9,098
|
293
|
C
|
High
|
| 615
|
Flow cytometry
|
9,071
|
292
|
C
|
Low
|
| 616
|
Toyota Camry (XV50)
|
9,029
|
291
|
C
|
Mid
|
| 617
|
Toyota Prius V
|
8,966
|
289
|
C
|
High
|
| 618
|
Wind farm
|
8,957
|
288
|
B
|
High
|
| 619
|
Raúl Grijalva
|
8,940
|
288
|
C
|
Low
|
| 620
|
Renault Twizy
|
8,883
|
286
|
C
|
High
|
| 621
|
Honda Prologue
|
8,859
|
285
|
Stub
|
Low
|
| 622
|
Ramsar site
|
8,816
|
284
|
Start
|
High
|
| 623
|
Cancer Alley
|
8,813
|
284
|
C
|
High
|
| 624
|
Endocrine disruptor
|
8,806
|
284
|
C
|
High
|
| 625
|
China and weapons of mass destruction
|
8,802
|
283
|
C
|
High
|
| 626
|
Ethanol fuel
|
8,791
|
283
|
B
|
High
|
| 627
|
Volkswagen ID.3
|
8,746
|
282
|
Unknown
|
Unknown
|
| 628
|
Ford F-150 Lightning
|
8,741
|
281
|
Start
|
Mid
|
| 629
|
Deep ecology
|
8,740
|
281
|
C
|
Low
|
| 630
|
William Kamkwamba
|
8,727
|
281
|
C
|
Unknown
|
| 631
|
Chemical industry
|
8,714
|
281
|
Start
|
High
|
| 632
|
Biodiversity hotspot
|
8,682
|
280
|
Start
|
Mid
|
| 633
|
World energy supply and consumption
|
8,676
|
279
|
C
|
Top
|
| 634
|
Tropical monsoon climate
|
8,670
|
279
|
Start
|
Low
|
| 635
|
Life-cycle assessment
|
8,658
|
279
|
B
|
Top
|
| 636
|
Political positions of the Republican Party (United States)
|
8,606
|
277
|
C
|
Mid
|
| 637
|
Aircraft deicing fluid
|
8,602
|
277
|
C
|
Low
|
| 638
|
Marine biology
|
8,588
|
277
|
C
|
High
|
| 639
|
Mazda EZ-6
|
8,561
|
276
|
Stub
|
Low
|
| 640
|
Water distribution on Earth
|
8,559
|
276
|
Start
|
Unknown
|
| 641
|
Nuclear fuel
|
8,548
|
275
|
B
|
High
|
| 642
|
Limelight
|
8,519
|
274
|
Start
|
Unknown
|
| 643
|
Environmental law
|
8,510
|
274
|
C
|
High
|
| 644
|
JBS S.A.
|
8,503
|
274
|
C
|
Low
|
| 645
|
Hexavalent chromium
|
8,501
|
274
|
B
|
High
|
| 646
|
Agenda 21
|
8,472
|
273
|
C
|
High
|
| 647
|
Toyota Aqua
|
8,464
|
273
|
Start
|
Low
|
| 648
|
Ecofeminism
|
8,452
|
272
|
B
|
High
|
| 649
|
Seres Automobile
|
8,447
|
272
|
Start
|
Low
|
| 650
|
Liquid hydrogen
|
8,433
|
272
|
Start
|
Unknown
|
| 651
|
Biomass (energy)
|
8,428
|
271
|
C
|
Mid
|
| 652
|
Cesspit
|
8,424
|
271
|
C
|
Low
|
| 653
|
Dust
|
8,349
|
269
|
C
|
Low
|
| 654
|
BMW iX
|
8,343
|
269
|
Start
|
Unknown
|
| 655
|
List of natural phenomena
|
8,336
|
268
|
Stub
|
Unknown
|
| 656
|
Photovoltaic system
|
8,329
|
268
|
C
|
Mid
|
| 657
|
Martin Heinrich
|
8,279
|
267
|
C
|
Unknown
|
| 658
|
Oil sands
|
8,274
|
266
|
C
|
Mid
|
| 659
|
Environmental impact assessment
|
8,274
|
266
|
C
|
Top
|
| 660
|
Ford C-Max
|
8,269
|
266
|
C
|
High
|
| 661
|
Organophosphate
|
8,243
|
265
|
C
|
High
|
| 662
|
Jaguar I-Pace
|
8,216
|
265
|
C
|
Low
|
| 663
|
Water treatment
|
8,190
|
264
|
Start
|
Unknown
|
| 664
|
Creation Lake
|
8,190
|
264
|
Start
|
Low
|
| 665
|
Lincoln Aviator
|
8,186
|
264
|
Start
|
Low
|
| 666
|
Carbon sequestration
|
8,185
|
264
|
B
|
High
|
| 667
|
Food safety
|
8,184
|
264
|
C
|
Mid
|
| 668
|
RDS-1
|
8,147
|
262
|
C
|
High
|
| 669
|
Right to repair
|
8,132
|
262
|
B
|
Unknown
|
| 670
|
Scientific consensus on climate change
|
8,127
|
262
|
C
|
High
|
| 671
|
Dakota Access Pipeline protests
|
8,118
|
261
|
C
|
Low
|
| 672
|
Peritoneal mesothelioma
|
8,100
|
261
|
Start
|
Low
|
| 673
|
Citroën Ami (electric vehicle)
|
8,097
|
261
|
Start
|
Unknown
|
| 674
|
Tidal power
|
8,094
|
261
|
B
|
Mid
|
| 675
|
Rizwana Hasan
|
8,084
|
260
|
Start
|
Low
|
| 676
|
Waste
|
8,066
|
260
|
C
|
Top
|
| 677
|
Harmful algal bloom
|
8,053
|
259
|
C
|
Mid
|
| 678
|
Climate change mitigation
|
8,029
|
259
|
C
|
High
|
| 679
|
Charging station
|
8,028
|
258
|
B
|
High
|
| 680
|
Organic food
|
8,025
|
258
|
C
|
Mid
|
| 681
|
Herbicide
|
8,018
|
258
|
C
|
High
|
| 682
|
Extreme E
|
8,011
|
258
|
B
|
Unknown
|
| 683
|
Planet Earth III
|
7,998
|
258
|
Start
|
Low
|
| 684
|
Nature reserve
|
7,979
|
257
|
C
|
Mid
|
| 685
|
Extinction Rebellion
|
7,959
|
256
|
B
|
High
|
| 686
|
Never Cry Wolf (film)
|
7,934
|
255
|
B
|
Low
|
| 687
|
Extraction of petroleum
|
7,930
|
255
|
Start
|
Mid
|
| 688
|
Sick building syndrome
|
7,924
|
255
|
C
|
Mid
|
| 689
|
Dioxins and dioxin-like compounds
|
7,916
|
255
|
C
|
Low
|
| 690
|
Epping Forest
|
7,913
|
255
|
C
|
Mid
|
| 691
|
Insecticide
|
7,902
|
254
|
C
|
High
|
| 692
|
Urban heat island
|
7,880
|
254
|
B
|
Mid
|
| 693
|
European Green Deal
|
7,865
|
253
|
C
|
Low
|
| 694
|
Diablo Canyon Power Plant
|
7,837
|
252
|
Start
|
Mid
|
| 695
|
IARC group 1
|
7,813
|
252
|
List
|
High
|
| 696
|
Bioremediation
|
7,785
|
251
|
Start
|
Mid
|
| 697
|
Ministry of Environment, Forest and Climate Change
|
7,782
|
251
|
Start
|
High
|
| 698
|
Net-zero emissions
|
7,756
|
250
|
C
|
Mid
|
| 699
|
Ice sheet
|
7,743
|
249
|
C
|
Mid
|
| 700
|
Radioactive contamination
|
7,743
|
249
|
C
|
High
|
| 701
|
Terrestrial animal
|
7,741
|
249
|
Start
|
High
|
| 702
|
Green hydrogen
|
7,736
|
249
|
C
|
Low
|
| 703
|
Enewetak Atoll
|
7,711
|
248
|
Start
|
Mid
|
| 704
|
Conservation movement
|
7,706
|
248
|
C
|
Low
|
| 705
|
History of the petroleum industry
|
7,702
|
248
|
C
|
Low
|
| 706
|
Flow battery
|
7,694
|
248
|
B
|
Mid
|
| 707
|
Lists of nuclear disasters and radioactive incidents
|
7,671
|
247
|
List
|
Mid
|
| 708
|
Plastic recycling
|
7,654
|
246
|
C
|
High
|
| 709
|
100 of the World's Worst Invasive Alien Species
|
7,638
|
246
|
List
|
Low
|
| 710
|
Whole Earth Catalog
|
7,636
|
246
|
B
|
Low
|
| 711
|
World Environment Day
|
7,609
|
245
|
C
|
High
|
| 712
|
Toxin
|
7,592
|
244
|
Start
|
High
|
| 713
|
Litter
|
7,584
|
244
|
B
|
Mid
|
| 714
|
Sewage
|
7,566
|
244
|
C
|
Unknown
|
| 715
|
Introduced species
|
7,562
|
243
|
B
|
Mid
|
| 716
|
Edward Abbey
|
7,550
|
243
|
B
|
Mid
|
| 717
|
George Monbiot
|
7,532
|
242
|
Start
|
Unknown
|
| 718
|
Cigarette filter
|
7,525
|
242
|
Start
|
High
|
| 719
|
On Deadly Ground
|
7,522
|
242
|
Start
|
Low
|
| 720
|
Aquatic ecosystem
|
7,506
|
242
|
C
|
High
|
| 721
|
Green building
|
7,503
|
242
|
B
|
Unknown
|
| 722
|
Stratospheric aerosol injection
|
7,497
|
241
|
C
|
High
|
| 723
|
Regenerative agriculture
|
7,484
|
241
|
C
|
Low
|
| 724
|
Convention on Biological Diversity
|
7,457
|
240
|
C
|
High
|
| 725
|
Sierra Club
|
7,439
|
239
|
B
|
Mid
|
| 726
|
Partial Nuclear Test Ban Treaty
|
7,434
|
239
|
B
|
High
|
| 727
|
Vinyl chloride
|
7,419
|
239
|
B
|
Mid
|
| 728
|
Land
|
7,400
|
238
|
B
|
Low
|
| 729
|
List of Superfund sites
|
7,351
|
237
|
List
|
Mid
|
| 730
|
Steam reforming
|
7,323
|
236
|
C
|
Unknown
|
| 731
|
Coal-fired power station
|
7,317
|
236
|
C
|
High
|
| 732
|
Soot
|
7,315
|
235
|
C
|
Mid
|
| 733
|
Comprehensive Nuclear-Test-Ban Treaty
|
7,311
|
235
|
Start
|
High
|
| 734
|
Aldo Leopold
|
7,311
|
235
|
B
|
High
|
| 735
|
Bioplastic
|
7,264
|
234
|
C
|
Mid
|
| 736
|
Anaerobic digestion
|
7,243
|
233
|
C
|
High
|
| 737
|
Wicked problem
|
7,239
|
233
|
C
|
Mid
|
| 738
|
Tesla Megapack
|
7,236
|
233
|
C
|
Unknown
|
| 739
|
Paul R. Ehrlich
|
7,231
|
233
|
B
|
Mid
|
| 740
|
Gas flare
|
7,226
|
233
|
Start
|
Unknown
|
| 741
|
The Ecologists
|
7,213
|
232
|
Start
|
Unknown
|
| 742
|
Gallium arsenide
|
7,197
|
232
|
C
|
Mid
|
| 743
|
Fridays for Future
|
7,190
|
231
|
C
|
Mid
|
| 744
|
Near-threatened species
|
7,173
|
231
|
Start
|
Mid
|
| 745
|
Exxon Valdez
|
7,158
|
230
|
Start
|
High
|
| 746
|
Habitat destruction
|
7,149
|
230
|
C
|
High
|
| 747
|
Flexible-fuel vehicle
|
7,139
|
230
|
C
|
High
|
| 748
|
Biodiversity loss
|
7,126
|
229
|
C
|
Mid
|
| 749
|
Biological pest control
|
7,106
|
229
|
GA
|
High
|
| 750
|
Hyundai Ioniq 6
|
7,100
|
229
|
C
|
Unknown
|
| 751
|
Carrying capacity
|
7,099
|
229
|
C
|
Mid
|
| 752
|
United States withdrawal from the Paris Agreement
|
7,091
|
228
|
C
|
Mid
|
| 753
|
MG4 EV
|
7,091
|
228
|
Start
|
Low
|
| 754
|
Hyundai Ioniq
|
7,083
|
228
|
C
|
Mid
|
| 755
|
Toyota Prius C
|
7,068
|
228
|
C
|
High
|
| 756
|
Asbestosis
|
7,066
|
227
|
B
|
Mid
|
| 757
|
Windcatcher
|
7,066
|
227
|
B
|
Low
|
| 758
|
Once Upon a Forest
|
7,059
|
227
|
C
|
Unknown
|
| 759
|
Mayak
|
7,058
|
227
|
C
|
High
|
| 760
|
Freedom to roam
|
7,055
|
227
|
C
|
Mid
|
| 761
|
Renewable energy in India
|
7,050
|
227
|
B
|
High
|
| 762
|
Patterns in nature
|
7,039
|
227
|
GA
|
Low
|
| 763
|
Biomagnification
|
7,038
|
227
|
Start
|
Mid
|
| 764
|
Endangered Species Act of 1973
|
7,037
|
227
|
C
|
High
|
| 765
|
Volkswagen Group MEB platform
|
7,036
|
226
|
Stub
|
Low
|
| 766
|
Vegetation
|
7,027
|
226
|
C
|
Mid
|
| 767
|
Cycling
|
7,006
|
226
|
C
|
Unknown
|
| 768
|
Treaty on the Prohibition of Nuclear Weapons
|
7,000
|
225
|
C
|
Mid
|
| 769
|
Cadillac Celestiq
|
6,986
|
225
|
Start
|
Unknown
|
| 770
|
Mitsubishi i-MiEV
|
6,978
|
225
|
C
|
Mid
|
| 771
|
Electric aircraft
|
6,952
|
224
|
C
|
Unknown
|
| 772
|
Volcanic winter
|
6,947
|
224
|
Start
|
Low
|
| 773
|
Slurry
|
6,938
|
223
|
Unknown
|
Unknown
|
| 774
|
Toyota Prius (XW30)
|
6,929
|
223
|
B
|
Unknown
|
| 775
|
Paris green
|
6,927
|
223
|
B
|
Mid
|
| 776
|
Hydrosphere
|
6,919
|
223
|
C
|
High
|
| 777
|
Deforestation of the Amazon rainforest
|
6,916
|
223
|
C
|
High
|
| 778
|
Climate engineering
|
6,914
|
223
|
B
|
Mid
|
| 779
|
Nuclear arms race
|
6,902
|
222
|
B
|
High
|
| 780
|
RoHS
|
6,894
|
222
|
C
|
Mid
|
| 781
|
Hinkley groundwater contamination
|
6,884
|
222
|
Start
|
Low
|
| 782
|
Car Allowance Rebate System
|
6,876
|
221
|
B
|
Mid
|
| 783
|
Electric vehicle industry in China
|
6,876
|
221
|
Start
|
Mid
|
| 784
|
Exotic pet
|
6,870
|
221
|
Start
|
Low
|
| 785
|
Zeekr 001
|
6,868
|
221
|
C
|
Low
|
| 786
|
Representative Concentration Pathway
|
6,867
|
221
|
C
|
Mid
|
| 787
|
Solar cooker
|
6,863
|
221
|
B
|
Unknown
|
| 788
|
MG5 (automobile)
|
6,846
|
220
|
Start
|
Low
|
| 789
|
Algal bloom
|
6,843
|
220
|
B
|
Low
|
| 790
|
Cow dung
|
6,843
|
220
|
Start
|
Low
|
| 791
|
Coal combustion products
|
6,830
|
220
|
C
|
Low
|
| 792
|
National parks of the United Kingdom
|
6,763
|
218
|
List
|
Low
|
| 793
|
1257 Samalas eruption
|
6,762
|
218
|
FA
|
Mid
|
| 794
|
Climate classification
|
6,749
|
217
|
Stub
|
Low
|
| 795
|
Halothane
|
6,723
|
216
|
C
|
Low
|
| 796
|
Elinor Ostrom
|
6,713
|
216
|
B
|
Mid
|
| 797
|
Cadillac Lyriq
|
6,696
|
216
|
Start
|
Mid
|
| 798
|
Rivian R1S
|
6,682
|
215
|
Start
|
Low
|
| 799
|
REVAi
|
6,678
|
215
|
Start
|
Unknown
|
| 800
|
Doughnut (economic model)
|
6,641
|
214
|
B
|
Low
|
| 801
|
Green economy
|
6,631
|
213
|
Start
|
Mid
|
| 802
|
BYD Han
|
6,628
|
213
|
Start
|
Low
|
| 803
|
Kia EV6
|
6,628
|
213
|
C
|
Low
|
| 804
|
United States Fish and Wildlife Service
|
6,591
|
212
|
C
|
Mid
|
| 805
|
Hydrogen economy
|
6,591
|
212
|
B
|
High
|
| 806
|
Tjeerd van Andel
|
6,582
|
212
|
Start
|
Low
|
| 807
|
San Onofre Nuclear Generating Station
|
6,579
|
212
|
C
|
Mid
|
| 808
|
Renault Zoe
|
6,577
|
212
|
C
|
High
|
| 809
|
Smoke
|
6,566
|
211
|
C
|
Mid
|
| 810
|
2,4-Dichlorophenoxyacetic acid
|
6,556
|
211
|
C
|
Mid
|
| 811
|
Audi e-tron
|
6,540
|
210
|
C
|
Mid
|
| 812
|
Rivian EDV
|
6,537
|
210
|
Start
|
Low
|
| 813
|
Earth Liberation Front
|
6,529
|
210
|
B
|
Mid
|
| 814
|
Nuclear disarmament
|
6,515
|
210
|
C
|
Top
|
| 815
|
Christian Schmidt (politician)
|
6,503
|
209
|
C
|
Low
|
| 816
|
Volkswagen I.D. R
|
6,503
|
209
|
Start
|
Low
|
| 817
|
Smallholding
|
6,484
|
209
|
C
|
Low
|
| 818
|
Wind power in India
|
6,477
|
208
|
Start
|
Mid
|
| 819
|
Causes of cancer
|
6,476
|
208
|
B
|
High
|
| 820
|
Steven Chu
|
6,471
|
208
|
C
|
Mid
|
| 821
|
Bioethics
|
6,433
|
207
|
Start
|
Mid
|
| 822
|
E85
|
6,429
|
207
|
C
|
Unknown
|
| 823
|
Fipronil
|
6,423
|
207
|
Start
|
Mid
|
| 824
|
Diethylstilbestrol
|
6,413
|
206
|
B
|
High
|
| 825
|
Ocean gyre
|
6,403
|
206
|
Start
|
Mid
|
| 826
|
Volkswagen ID.7
|
6,403
|
206
|
B
|
Low
|
| 827
|
Food loss and waste
|
6,391
|
206
|
B
|
Mid
|
| 828
|
Ocean acidification
|
6,386
|
206
|
B
|
Unknown
|
| 829
|
Nuclear proliferation
|
6,383
|
205
|
C
|
High
|
| 830
|
Afforestation
|
6,382
|
205
|
C
|
Mid
|
| 831
|
Chlorpyrifos
|
6,376
|
205
|
C
|
Mid
|
| 832
|
Phase-out of incandescent light bulbs
|
6,375
|
205
|
B
|
Unknown
|
| 833
|
Carbon tax
|
6,368
|
205
|
C
|
High
|
| 834
|
Atmospheric circulation
|
6,355
|
205
|
Start
|
High
|
| 835
|
Scrap
|
6,325
|
204
|
Start
|
Low
|
| 836
|
Fresh Kills Landfill
|
6,319
|
203
|
C
|
Unknown
|
| 837
|
Shot (pellet)
|
6,313
|
203
|
C
|
Low
|
| 838
|
Charismatic megafauna
|
6,306
|
203
|
C
|
Unknown
|
| 839
|
List of highly toxic gases
|
6,296
|
203
|
List
|
High
|
| 840
|
Madison Grant
|
6,292
|
202
|
C
|
Unknown
|
| 841
|
Dead zone (ecology)
|
6,286
|
202
|
C
|
High
|
| 842
|
Worldwide Harmonised Light Vehicles Test Procedure
|
6,266
|
202
|
C
|
Mid
|
| 843
|
Extreme weather
|
6,261
|
201
|
C
|
Mid
|
| 844
|
Affluenza
|
6,255
|
201
|
Start
|
Mid
|
| 845
|
Tonlé Sap
|
6,254
|
201
|
C
|
Mid
|
| 846
|
Municipal solid waste
|
6,254
|
201
|
Start
|
High
|
| 847
|
Radiation protection
|
6,242
|
201
|
Start
|
Mid
|
| 848
|
Pea soup fog
|
6,235
|
201
|
C
|
Unknown
|
| 849
|
Environmental studies
|
6,228
|
200
|
Start
|
High
|
| 850
|
Environmental engineering
|
6,223
|
200
|
C
|
Top
|
| 851
|
U.S. state and territory temperature extremes
|
6,212
|
200
|
List
|
Mid
|
| 852
|
Embalming chemicals
|
6,209
|
200
|
Start
|
Low
|
| 853
|
Fuel cell vehicle
|
6,198
|
199
|
Start
|
Unknown
|
| 854
|
Build Back Better Plan
|
6,198
|
199
|
C
|
Low
|
| 855
|
Organisation for the Prohibition of Chemical Weapons
|
6,190
|
199
|
C
|
High
|
| 856
|
Offshore wind power
|
6,180
|
199
|
B
|
Mid
|
| 857
|
Tipping points in the climate system
|
6,179
|
199
|
GA
|
Top
|
| 858
|
Methyl tert-butyl ether
|
6,159
|
198
|
B
|
Mid
|
| 859
|
Xeriscaping
|
6,145
|
198
|
C
|
Low
|
| 860
|
Bioterrorism
|
6,143
|
198
|
B
|
High
|
| 861
|
Ken Saro-Wiwa
|
6,112
|
197
|
B
|
Low
|
| 862
|
Rabbits in Australia
|
6,110
|
197
|
C
|
Mid
|
| 863
|
Faraday Future
|
6,108
|
197
|
Start
|
Mid
|
| 864
|
Volkswagen 1-litre car
|
6,106
|
196
|
C
|
High
|
| 865
|
Savannah River Site
|
6,105
|
196
|
C
|
High
|
| 866
|
Patrick Dovigi
|
6,098
|
196
|
Start
|
Low
|
| 867
|
Last Generation (climate movement)
|
6,094
|
196
|
C
|
Low
|
| 868
|
Olduvai theory
|
6,090
|
196
|
Start
|
Low
|
| 869
|
List of nuclear power accidents by country
|
6,085
|
196
|
B
|
Unknown
|
| 870
|
Shemara Wikramanayake
|
6,083
|
196
|
C
|
Low
|
| 871
|
Wilderness
|
6,043
|
194
|
B
|
Low
|
| 872
|
VinFast VF 8
|
6,036
|
194
|
Unknown
|
Unknown
|
| 873
|
Butadiene
|
6,032
|
194
|
B
|
High
|
| 874
|
Methylmercury
|
6,026
|
194
|
B
|
High
|
| 875
|
Palo Verde Nuclear Generating Station
|
6,024
|
194
|
C
|
Mid
|
| 876
|
Customary law
|
6,019
|
194
|
Start
|
Mid
|
| 877
|
Crescent Dunes Solar Energy Project
|
6,013
|
193
|
Start
|
Low
|
| 878
|
North Sea oil
|
6,008
|
193
|
Start
|
Mid
|
| 879
|
Li Mega
|
6,002
|
193
|
Stub
|
Low
|
| 880
|
Intensive farming
|
5,985
|
193
|
C
|
High
|
| 881
|
Brownfield land
|
5,982
|
192
|
C
|
Unknown
|
| 882
|
RNA interference
|
5,981
|
192
|
FA
|
High
|
| 883
|
Rocky Flats Plant
|
5,974
|
192
|
C
|
High
|
| 884
|
Lisa Harrow
|
5,967
|
192
|
C
|
Low
|
| 885
|
2024 United Nations Biodiversity Conference
|
5,966
|
192
|
Start
|
High
|
| 886
|
Climate of Italy
|
5,963
|
192
|
C
|
Low
|
| 887
|
Resource depletion
|
5,959
|
192
|
C
|
High
|
| 888
|
Criticism of Tesla, Inc.
|
5,957
|
192
|
C
|
Low
|
| 889
|
Environmental issues in India
|
5,953
|
192
|
C
|
Unknown
|
| 890
|
Thionyl chloride
|
5,934
|
191
|
B
|
Mid
|
| 891
|
Ecosystem service
|
5,918
|
190
|
C
|
Unknown
|
| 892
|
Plutonium-238
|
5,904
|
190
|
C
|
Mid
|
| 893
|
Brundtland Commission
|
5,884
|
189
|
Start
|
Unknown
|
| 894
|
Toyota Prius (XW20)
|
5,877
|
189
|
B
|
Unknown
|
| 895
|
Environmental impact of mining
|
5,869
|
189
|
C
|
Unknown
|
| 896
|
Climate of Ireland
|
5,867
|
189
|
C
|
Low
|
| 897
|
James Lovelock
|
5,852
|
188
|
B
|
Top
|
| 898
|
NASA Clean Air Study
|
5,852
|
188
|
Start
|
Mid
|
| 899
|
Insects as food
|
5,844
|
188
|
C
|
High
|
| 900
|
Effects of climate change on agriculture
|
5,836
|
188
|
C
|
High
|
| 901
|
Destruction of the Kakhovka Dam
|
5,825
|
187
|
C
|
Mid
|
| 902
|
Our Planet
|
5,801
|
187
|
Start
|
Low
|
| 903
|
Ora Good Cat
|
5,801
|
187
|
Start
|
Low
|
| 904
|
The Nature Conservancy
|
5,786
|
186
|
B
|
Low
|
| 905
|
Campaign for Nuclear Disarmament
|
5,785
|
186
|
B
|
Mid
|
| 906
|
Acrylonitrile
|
5,767
|
186
|
Start
|
Mid
|
| 907
|
List of photovoltaic power stations
|
5,763
|
185
|
List
|
Unknown
|
| 908
|
Cane toads in Australia
|
5,763
|
185
|
B
|
Low
|
| 909
|
Gifford Pinchot
|
5,710
|
184
|
B
|
High
|
| 910
|
Storm drain
|
5,705
|
184
|
C
|
Unknown
|
| 911
|
Green Party of Aotearoa New Zealand
|
5,693
|
183
|
C
|
Low
|
| 912
|
Porsche Mission X
|
5,693
|
183
|
Stub
|
Unknown
|
| 913
|
Ecologist Green Party of Mexico
|
5,691
|
183
|
Start
|
Unknown
|
| 914
|
Hydrometeorology
|
5,675
|
183
|
Start
|
Mid
|
| 915
|
Hydrogen embrittlement
|
5,669
|
182
|
Start
|
Mid
|
| 916
|
Deep sea mining
|
5,668
|
182
|
C
|
Unknown
|
| 917
|
Anaerobic respiration
|
5,662
|
182
|
Start
|
Unknown
|
| 918
|
Passive smoking
|
5,661
|
182
|
B
|
Mid
|
| 919
|
Tote bag
|
5,653
|
182
|
Start
|
Mid
|
| 920
|
Greywater
|
5,644
|
182
|
Start
|
Unknown
|
| 921
|
Brigitte Baptiste
|
5,644
|
182
|
Start
|
Low
|
| 922
|
Marine pollution
|
5,638
|
181
|
B
|
Unknown
|
| 923
|
Land degradation
|
5,628
|
181
|
C
|
Mid
|
| 924
|
Vestas
|
5,628
|
181
|
Start
|
High
|
| 925
|
Free public transport
|
5,628
|
181
|
Start
|
Mid
|
| 926
|
Kia EV9
|
5,615
|
181
|
Stub
|
Unknown
|
| 927
|
BMW i
|
5,611
|
181
|
B
|
High
|
| 928
|
Aspark Owl
|
5,609
|
180
|
Start
|
Low
|
| 929
|
Environmental justice
|
5,592
|
180
|
C
|
Low
|
| 930
|
Triple bottom line
|
5,586
|
180
|
C
|
High
|
| 931
|
Saxitoxin
|
5,577
|
179
|
Start
|
Mid
|
| 932
|
Congestion pricing
|
5,564
|
179
|
B
|
High
|
| 933
|
Honda Clarity
|
5,557
|
179
|
B
|
Low
|
| 934
|
Polestar 4
|
5,549
|
179
|
Start
|
Unknown
|
| 935
|
Kate Humble
|
5,548
|
178
|
C
|
Low
|
| 936
|
Space-based solar power
|
5,547
|
178
|
B
|
Unknown
|
| 937
|
Fishery
|
5,522
|
178
|
Start
|
Low
|
| 938
|
Paleocene–Eocene Thermal Maximum
|
5,521
|
178
|
B
|
Low
|
| 939
|
Water supply
|
5,520
|
178
|
C
|
High
|
| 940
|
Arsenic trioxide
|
5,503
|
177
|
B
|
Mid
|
| 941
|
Paul VI Audience Hall
|
5,490
|
177
|
Start
|
Low
|
| 942
|
Waste container
|
5,483
|
176
|
Start
|
High
|
| 943
|
Rimac Concept One
|
5,473
|
176
|
C
|
Low
|
| 944
|
Conservation International
|
5,470
|
176
|
C
|
Low
|
| 945
|
The Population Bomb
|
5,460
|
176
|
B
|
Mid
|
| 946
|
Congolian rainforests
|
5,458
|
176
|
C
|
Mid
|
| 947
|
Laurel forest
|
5,440
|
175
|
C
|
Low
|
| 948
|
Kuznets curve
|
5,433
|
175
|
B
|
Mid
|
| 949
|
Overfishing
|
5,432
|
175
|
B
|
High
|
| 950
|
Chevrolet BrightDrop
|
5,426
|
175
|
C
|
Low
|
| 951
|
Composting toilet
|
5,424
|
174
|
C
|
Unknown
|
| 952
|
Eco-socialism
|
5,422
|
174
|
C
|
Mid
|
| 953
|
Volvo EX30
|
5,410
|
174
|
Stub
|
Unknown
|
| 954
|
Clean Water Act
|
5,409
|
174
|
B
|
High
|
| 955
|
DeLorean Alpha5
|
5,406
|
174
|
Stub
|
Low
|
| 956
|
Audi e-tron GT
|
5,397
|
174
|
Start
|
Unknown
|
| 957
|
Commons
|
5,396
|
174
|
C
|
Top
|
| 958
|
Exhaust gas
|
5,390
|
173
|
C
|
Low
|
| 959
|
Yutong
|
5,376
|
173
|
Start
|
Mid
|
| 960
|
Common ethanol fuel mixtures
|
5,373
|
173
|
B
|
Mid
|
| 961
|
Ultra Low Emission Zone
|
5,365
|
173
|
C
|
Low
|
| 962
|
Neurotoxicity
|
5,360
|
172
|
Start
|
High
|
| 963
|
Planetary boundaries
|
5,360
|
172
|
B
|
High
|
| 964
|
Late Antique Little Ice Age
|
5,349
|
172
|
Start
|
High
|
| 965
|
Formula E Gen3
|
5,313
|
171
|
Stub
|
Low
|
| 966
|
Marine isotope stages
|
5,310
|
171
|
C
|
Unknown
|
| 967
|
Climate variability and change
|
5,307
|
171
|
C
|
Top
|
| 968
|
Isra Hirsi
|
5,306
|
171
|
Start
|
Low
|
| 969
|
Škoda Enyaq
|
5,298
|
170
|
Start
|
Low
|
| 970
|
Lewisite
|
5,289
|
170
|
C
|
Low
|
| 971
|
Coral bleaching
|
5,289
|
170
|
C
|
High
|
| 972
|
Atmospheric water generator
|
5,288
|
170
|
Start
|
Low
|
| 973
|
Masdar City
|
5,283
|
170
|
C
|
High
|
| 974
|
Proton-exchange membrane fuel cell
|
5,276
|
170
|
B
|
Unknown
|
| 975
|
Risk assessment
|
5,271
|
170
|
C
|
Mid
|
| 976
|
John E. Sununu
|
5,270
|
170
|
C
|
Low
|
| 977
|
Selective catalytic reduction
|
5,255
|
169
|
C
|
Mid
|
| 978
|
World Water Day
|
5,254
|
169
|
C
|
Unknown
|
| 979
|
Global cooling
|
5,247
|
169
|
B
|
Low
|
| 980
|
Solar water heating
|
5,233
|
168
|
C
|
Mid
|
| 981
|
Nissan Ariya
|
5,229
|
168
|
Start
|
Low
|
| 982
|
Kanthapuram A. P. Aboobacker Musliyar
|
5,228
|
168
|
B
|
Mid
|
| 983
|
Fangchengbao Bao 5
|
5,224
|
168
|
Start
|
Low
|
| 984
|
Istanbul Canal
|
5,211
|
168
|
C
|
Low
|
| 985
|
Photovoltaic power station
|
5,204
|
167
|
C
|
High
|
| 986
|
Copper extraction
|
5,201
|
167
|
C
|
Low
|
| 987
|
Our Common Future
|
5,176
|
166
|
Start
|
Mid
|
| 988
|
Seveso disaster
|
5,173
|
166
|
C
|
Mid
|
| 989
|
8.2-kiloyear event
|
5,164
|
166
|
C
|
Low
|
| 990
|
Perchlorate
|
5,163
|
166
|
B
|
High
|
| 991
|
Audubon
|
5,152
|
166
|
C
|
Unknown
|
| 992
|
Wind power in the United Kingdom
|
5,103
|
164
|
C
|
Mid
|
| 993
|
Wuling Hongguang Mini EV
|
5,103
|
164
|
C
|
Mid
|
| 994
|
Boston Harbor
|
5,102
|
164
|
C
|
Mid
|
| 995
|
Dakota Access Pipeline
|
5,093
|
164
|
B
|
Mid
|
| 996
|
Solar thermal energy
|
5,091
|
164
|
B
|
High
|
| 997
|
Polestar 3
|
5,091
|
164
|
C
|
Low
|
| 998
|
Natural farming
|
5,090
|
164
|
Start
|
Unknown
|
| 999
|
List of largest giant sequoias
|
5,089
|
164
|
List
|
Mid
|
| 1000
|
Biophilic design
|
5,084
|
164
|
C
|
Low
|
