Sea ice extent in the Arctic has decreased by about 40 percent since 1979. New technologies are being deployed to regrow it.

Last month, France’s national railway operator released a glimpse of the designs for its upcoming fifth-generation high-speed ...

So if it’s perfectly safe to consume recycled toilet water, why aren’t Americans living in parched western states drinking ...

Installations are wrapping up this month for the turnkey program providing solar, heat pumps, and batteries to households that couldn’t otherwise afford them.

For 12 years, scientists thought they knew how much extreme heat human bodies could cope with. New research shows how wrong ...

A mysterious whale that has long puzzled scientists may not be an anomaly, but a clue to what climate change is doing beneath ...

New Yorkers can now get fined for not separating their food scraps. Some critics say that's not the right approach.

The change may speed up flood recovery, but it will leave communities — and taxpayers — facing the same problems over and ...

Shifting political and regulatory winds have led to fewer shareholder resolutions on environmental and social issues.

Two-thirds of attendees at the Hands Off rally in Washington, D.C. — which drew an estimated 100,000 people, according to organizers — named climate change as one of their top motivations for ...

Some $380 million is now in limbo after Trump laid off staff that run a program helping low-income people pay their energy ...

President Donald Trump continues dismantling climate policy with a move of questionable legality that benefits fossil fuels. States are sure to sue.