The crisis warrants presidential attention: the lake affects air quality for millions of Americans, sustains major Western ...

Scientists call the phenomenon “evolutionary rescue” — when a species’ genetic diversity allows it to survive amid extreme threats.

At just 10, Nithya Tammana launched Save Drop to fight water waste using recirculation pumps, inspiring youth globally to conserve water and protect vital resources.

Environmentalists worry the law will discourage cities and schools from going solar or taking other steps to save taxpayers money.

Sen. Mike Lee has an online army pressuring Republicans to pass the SAVE America Act, a sweeping election bill, that President Donald Trump declared his top priority.

A combination of hot temperature and high air pollution is associated with increased risk of suicide in the following days, ...

Here is what happens in The Hunting Party Season 2 Episode 7 ending. Shane’s connection to Fairfax’s experiments and ...

“Clean power and electrification combined is what provides the most security,” says Ember analyst Euan Graham. View on ...

This isn’t a sea turtle versus coyote issue.' Sanibel's dilemma: Coyotes destroy huge numbers of nests. Should they be shot?

Oil and gasoline prices are rising as the war in Iran intensifies and other global conflicts affect supply. That means pain ...