changing climate

Dozens of companies and academic groups are pitching the same theory: that sinking rocks, nutrients, crop waste or seaweed in the ocean could lock away climate-warming carbon dioxide for centuries or more. Nearly 50 field trials have taken place in the past four years, with startups raising hundreds of millions in early funds. But the field remains rife with debate...

Climate scientists and policymakers are gathering at the United Nations headquarters in New York for the inaugural World Day for Glaciers. The gathering aims to build global cooperation to slow climate change. National climate reporter Chase Cain takes us to some of our planet’s fastest melting glaciers.

Last year was the hottest year on record, the top 10 hottest years were all in the past decade, a report Wednesday said.