Videos

Environmentalist Denis Hayes, who served as the first national coordinator of Earth Day in 1970, talked about next year’s 50th anniversary of the holiday and his organization’s policy and pu…

Denis Hayes, co-founder of Earth Day and president of the Bullitt Foundation, talked about the creation of Earth Day and sustainable development efforts.

The “March for Science” rally took place on the National Mall in Washington, DC. The event was one of more than 500 planned rallies held across the U.S. and overseas. The speaking program fe…