Once rooted in pollution protests, Earth Day now mobilises over a billion people each year to confront energy use, carbon ...

Tuesday marks the 55th anniversary of Earth Day, an occasion for events across the globe and activities close to home.

The year is 1970, and the winds are swirling—blowing up a storm and sweeping away everything once familiar and firmly rooted. From gender norms ...

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 ...

Earth Day started in 1970 when people — including Wisconsin Sen. Gaylord Nelson — brought attention to the impact oil spills, pollution and smog were having on the planet. "Then in January ...