Physical Geography
Physical geography covers the topics relating to the surface of the earth - the landforms, glaciers, rivers, climate, oceans, earth-sun interaction, hazards, and more.
A Quick Look at the U.S. Forest Service
The U.S. Forest Service oversees the forests and wild lands of the United States. Did you know that it's responsible for eight percent of the United States? Learn more about the United States Forest Service -- its history, how it is organized, its divisions, and its current research.The Atacama Desert, One of the World's Driest Places
The Atacama Desert of northern Chile is the world's second driest region (icy Antarctica is first). Although the Tropic of Capricorn passes through the region, the Atacama lies in the rain shadow of Chile's Coast Range, which squeezes out the moisture from the atmosphere.What's the Deal with Those Seasonal Solstices and Equinoxes?
Learn about the start dates for each of the four seasons in the Northern and Southern Hemispheres. Find out about the earth-sun interaction on the June Solstice, December Solstice, March Equinox, and September Equinox, from your About.com Guide to Geography.Uniformitarianism: A Theory About Time and Our Planet
James Hutton, known as the father of geology, suggested that the earth was much older and that processes occurring in the present were the same processes that had operated in the past, and would be the processes that operate in the future. This concept became known as uniformitarianism and can be summarized by the phrase 'the present is the key to the past.' View More