The first Earth Day is largely credited as one of the key moments that launched the modern environmental movement.

More broadly, it's seen as the birth of the modern environmental movement. In later years, Earth Day expanded to become a ...

On Earth Day and every day, a powerful shift is unfolding around the world - people are rethinking their relationship with ...

Earth Day—which is on April 22, 2025—has come a long way since its beginnings in 1970! The celebration has spread globally, ...

Earth Day, a global effort to educate people on growing environmental threats and propel them to action, marks its 55th ...

Every year on April 22, people around the world celebrate Earth Day. It marks the anniversary of the birth of the modern environmental movement in 1970. More than 1 billion people in over 193 ...

Explore Earth Day 2025’s theme, debates, and justice-driven solutions for a cleaner, equitable, and sustainable planet.

The first Earth Day is largely credited as one of the key moments that launched the modern environmental movement. By 1969, Sen. Gaylord Nelson, D-Wis., had long been concerned about "the ...