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NEWS ABOUT: chlorofluorocarbons

80% Loss of Arctic Ozone Caused by...

... months of stratospheric cold weather

(Newser) - Amid our heated political debate on climate change, it's cold air that apparently depleted the Arctic's ozone layer, the BBC reports. An article in the journal Nature says an 80% reduction of Arctic ozone, noted earlier this year , was caused by cold air hanging around the stratosphere for... More »

Ozone Hole Shrinks Again

Efforts to phase out CFCs may actually be working

(Newser) - Here's a rare bit of good environmental news: The hole in the ozone layer over Antarctica, cause célèbre of the '90s, is smaller than it's been for the past 5 years, MSNBC reports. The latest data fit with a pattern of reduction over the last few years that... More »

Your Guide to Greenhouse Gases

Carbon dioxide you know, but what about perfluorocarbons?

(Newser) - With things set to really heat up next week at the Copenhagen climate summit, the Guardian runs down greenhouse gases you oughta know:
  • Carbon dioxide (CO2): Industrialization and deforestation have produced high levels of this gas, which helps trap heat inside Earth’s atmosphere.
  • Methane (CH4): Thirty times more dangerous
... More »

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