What is Earth Day? Why is it Important?
Why is Earth Day Celebrated on April 22?
From the Lorax to Aldo Leopold, Nat Geo's Got You Covered
What Countries Are Using Alternative Energy Sources?
Maps, activities, and ideas to get your students excited about parks
Campaign
Love Your Park →
Interactive
Explore Mars →
Collection
The U.S.-Mexico Border →
Video
The Search For Alien Life→
Historic Article
Star Wars Day →