Earth Day began as a protest in 1970, but its meaning has evolved. Here’s how it changed - and what it represents today.

Millions of people around the world will pause, at least for a moment, to mark Earth Day. The annual event is Wednesday.

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 often inspires communities to come together through volunteer work, and 2026 won't be much different.

Earth Day, which began in 1970, is celebrated each year on April 22.

From its 1970 origins to today’s climate action, here’s why Earth Day is observed each April 22 and what the day represents.

Here's what to know about Earth Day 2026 and how the holiday came to be.

Earth Day is celebrated across the country, and the globe, through the mobilization for environmental causes. While it may seem strange to think of a world without ecological awareness, there was once ...

Earth Day, first observed in 1970, was established as a global call to action for environmental protection. It symbolizes ...

See stunning photos of Earth taken from space by astronauts and robotic spacecraft, celebrating our home planet on Earth Day.

Dozens of volunteers and students gathered at Arvin City Hall for the city's first-ever Earth Day clean-up and beautification ...