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 ...

To mark Earth Day, NBC’s Brian Cheung joins TODAY to break down numbers and facts about the blue planet, including how it got its name and how many miles food may travel to get to your plate. He also ...

Happy Earth Day! For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on. "Earth Day really is a symbol of the environmental movement," Sarah ...

As Earth Day approaches its 55th anniversary, some experts ask whether the celebration has kept pace with the urgency of the climate crisis. On April 22, 1970, the United States witnessed an ...

Help clean up the planet this Earth Day by spending time picking up litter around your neighborhood, school or local park. Better yet, encourage your friends to pick their own areas to clean so you ...

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 ...

Millions of people around the world will pause on Tuesday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet ...