Earth Day is April 22. Here's what to know about how Earth Day happened and how to celebrate our planet this April.

Earth Day has been celebrated across the country for more than 50 years now, and the annual celebration is once again around ...

Celebrate the day with your friends and family using wishes, messages and captions. The Earth is our home, and it's our responsibility to take care of it. Let's work together to reduce our carbon ...

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Over the years, use of the message of Earth Day has been co-opted by business, and the activism of the early days has calmed down to the Earth Day cleanup or going to an event that has a softer ...

This is the third Mother Earth Day celebrated within the UN Decade on Ecosystem Restoration. Ecosystems support all life on Earth. The healthier our ecosystems are, the healthier the planet - and ...

Learn about Earth Day founder Gaylord Nelson (1916–2005) and how environmental disasters of his day inspired the creation of Earth Day in 1970. On December 7, 1972, Apollo 17 astronauts captured a now ...