Most foods leave a mark on the environment, but farmed...

Erase the Amazon’s rainforest, and the region doesn’t just dry...

Hydrogen in the atmosphere has climbed about 60 percent since...

Liquid carbon has kept physicists guessing for decades. It forms...

Wildfire smoke is no longer just a problem for people...

In western Siberia, a rare kind of gas explosion is...

Tiny plastic particles are not just in oceans, food and...

Horses are stepping up as unlikely allies in the fight...

Most of us think about outdoor pollution before worrying about...

Right now, above your head, narrow bands of moisture flow...

The northern edge of the Tibetan Plateau looks dry at...