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 ...

Communities throughout San Diego County will celebrate Earth Day (April 22) and Arbor Day (April 25) with festivals, cleanups and other events to help take care of the planet, starting in local ...