Ozone hole

News

Scientists Warn of Rising Oceans From Polar Melt

Published: 
Tue, 05/13/2014 - 7:43am
Category: 
Water

A large section of the mighty West Antarctica ice sheet has begun falling apart and its continued melting now appears to be unstoppable, two groups of scientists reported on Monday.

News

The Montreal Protocol, a Little Treaty That Could

Published: 
Wed, 12/11/2013 - 7:40am
Category: 
Chemicals

Here is a remarkable fact about global warming: It might be twice as bad right now were it not for a treaty negotiated by a conservative American president, for an entirely different purpose, based on motives no one has ever quite understood.

News

A Quiet Trip to the Ozone Hole

Published: 
Thu, 10/24/2013 - 7:59pm
Category: 
Chemicals

It might be the weirdest part of the atmosphere, 15 miles above the polar regions, where vast stratospheric clouds of nitric acid and water vapor shimmer in iridescent pink while human-made chemicals play havoc with the ozone layer.