Energy Production
The greatest need modern civilizations have is energy. Learn about oil, electricity and newer forms of energy like solar and wind power.
The Fish Doorbell Isn't a Joke ... Seriously
The Euphrates River, at the 'Cradle of Civilization,' Is Drying Up
Study Says 2035 Is Climate Change Point of No Return
15 Must-see Mountain Ranges in the U.S.
Steppe: A Civilization-altering Biome Most People Can't Name
Lake Natron: Where Impossibly Salty Water Matches Flamingos
The Worst Air Quality in the World Is in Mountainous Terrain
The World Hits 8 Billion People; Is That Good or Bad?
Quiz: Can You Tell Climate Change Fact From Fiction?
Top 5 Green Robots
5 Things to Consider When Building a Solar-powered Home
What Uses the Most Electricity in a Home?
Learn More / Page 4
Despite the best efforts of disaster prevention crews, oil from the Deepwater Horizon spill affected creatures and plants both on land and in the water. Is it possible to know the entire environmental impact of the spill?