Earth Day activities in Las Vegas included the unveiling of winning student artwork selected to appear on the Exosphere of ...

Gaylord Nelson, the late U.S. senator and governor of Wisconsin, is considered the founder of Earth Day, which started in ...

Earth Day has its roots in growing concern over pollution in the 1960s, when author Rachel Carson's 1962 book “Silent Spring, ...

Earth Day this year comes at a crucial moment as the Trump Administration seeks to roll back environmental regulations.

Earth Day has inspired protests against the Trump administration, and for more clean energy policies, across the US ...

Now celebrating its 55th anniversary, this year's Earth Day theme, "Our Power, Our Planet," calls for people worldwide to ...

Auroras are natural light displays that occur when charged particles from the sun interact with Earth’s magnetic field and ...

Dozens of supporters, including U.S. Reps. Rashida Tlaib and Debbie Dingell, joined federal workers from NOAA, the EPA and ...

In an Earth Day message, Trump's White House touted his rollback on climate protections as a boon for the environment.

Dozens of Minnesotans gathered at the state capitol on Tuesday for an Earth Day rally, urging policymakers to double down on ...

The very first Earth Day was celebrated on April 22, 1970. About 20 million Americans joined rallies, cleanups and teach-ins ...

In 1970, the first Earth Day events were "teach-ins" on campuses across the country.