Earth Day 2011
Discovery's guide to all things green includes videos, an Earth Day history quiz, puzzles and games, and the latest environmental news.
Related Tools & Resources
History.com featured topic includes videos exploring topics such as renewable energy and the age of Earth as well as a timeline, and articles.
Check out these Earth Day web resources.
The Atacama desert is considered the driest place on Earth, this documentary uncovers how this extraordinary dry landscape was created.
Companion website to the History series that showed how the continents were formed, canyons were carved, and why the world's animals live where they do. Includes streaming video of full episodes.
Using CGI re-creations, this National Geographic Channel website chronicles how our planet was made.