Climate and Environment

As record heat enveloped the nation, the rate of emergency room visits increased compared with the previous five years, a sign of the major health risks of high temperatures.

Pakistani officials warned of more flooding and heavy rainfall next week, stoking fears of a particularly brutal monsoon season to come.

Tunde Onakoya is trying to break a record for the longest chess marathon. And he’s playing his games in the open air in Manhattan.

Clerics in Indonesia are issuing fatwas, retrofitting mosques and imploring congregants to help turn the tide against climate change.

A mining company wants to build a 211-mile industrial road through Alaskan wilderness to reach a large copper deposit. The Interior Department says it would harm wildlife and communities.

Feral cats take a heavy toll on the world’s wildlife, especially Down Under. The solution? Smarter traps, sharpshooters, survival camp for prey species, and the “Felixer.”

Mr. Gore spoke at a climate leadership conference hosted by his nonprofit organization.

Rising sea temperatures around the planet have caused a bleaching event that is expected to be the most extensive on record.

First, fish off the Florida Keys started swimming in spirals or upside down. Then, endangered sawfish started dying. Scientists are racing to figure out why.

To protect Australia’s iconic animals, scientists are experimenting with vaccine implants, probiotics, tree-planting drones and solar-powered tracking tags.