This year marks the 55th anniversary of Earth Day! Every year on April 22, people worldwide mobilize to address some of the most urgent threats facing our environment, from climate change to ...

Today’s Trivia Tuesday theme is Earth Day! The trivia questions the hosts answered are listed below. Watch along and see if you guess correctly.

Ah, Earth. We may not think about our planet on a day-to-day basis, but the world we live in is a pretty interesting place. The third rock from the Sun—and to this day, the only one with known ...

In 1970, U.S. Sen. Gaylord Nelson created Earth Day to bring the issue to national attention, with 20 million demonstrators across the country speaking out against the effects of 150 years of ...