All the Latest Game Footage and Images from Project Clean Earth Retro pixel hack'n slash action game to clean the mutated Earth. Strategically combine various weapons and drones in this roguelite ...

A hidden source of clean energy could power the planet for more than a hundred thousand years if tapped into, according to new research. Sources of hydrogen could be hiding amid the Earth's crust ...

The banner reads, 'Big Apple Recycler'. (Photo by Peter Keegan/Getty Images) A girl wears a face mask to highlight the problems of air pollution during the Earth Day celebrations in New York.

Over at the Atlantic, Alan Taylor has collected a bunch of photos showing just how hard China is pushing on solar energy. As ...

Volunteers clean up ahead of Earth Day in Bay Area. From picking up trash to spreading mulch and clearing out debris in the creek, volunteers in Concord dedicated their Saturday morning to the Earth.

FARMINGTON — Over fifty people chipped in to help the Farmington Public Library clean up downtown Farmington on Monday, April 22, in honor of Earth Day. With sign-ups and a small petting zoo ...

Earth Day environmental activists defaced Lower Manhattan’s iconic Charging Bull statue Tuesday, then rushed to clean it up before cops arrived, officials said.. Videos on social media and ...