Antarctic sea ice is key to triggering ice ages, study finds

We've known for years that Earth's climate is like a giant Rube Goldberg machine: Pull one lever, and a massive chain of events starts into motion. Yet many of the steps that drive these changes have remained shrouded in ...

Five-year period ending 2019 set to be hottest on record

A damning new UN report published Sunday said the world is falling badly behind in the race to avert climate disaster because of runaway warming, with the five-year period ending 2019 set to be the hottest ever.

Drilling the seabed below Earth's most powerful ocean current

The Antarctic Circumpolar Current is the planet's most powerful and arguably most important. It is the only one to flow clear around the globe without getting diverted by any landmass, sending up to 150 times the flow of ...

Tectonics in the tropics trigger Earth's ice ages, study finds

Over the last 540 million years, the Earth has weathered three major ice ages—periods during which global temperatures plummeted, producing extensive ice sheets and glaciers that have stretched beyond the polar caps.

UN report on 'mission impossible' climate target: key points

An executive summary of the UN special report on limiting global warming to 1.5 degrees Celsius will be vetted in South Korea this week, line-by-line, by diplomats under the 195-nation Intergovernmental Panel on Climate Change ...

page 8 from 24