chlorofluorocarbons

8 Stories

Nobel Laureate Who Proved Danger of CFCs Dies at 77

Mario Molina helped prove chlorofluorocarbons posed significant threat to environment

(Newser) - A Nobel laureate who helped prove how dangerous chlorofluorocarbons are to the ozone layer and who served as a scientific adviser to President Obama has died. Dr. Mario Molina, a US citizen born in Mexico, passed away Wednesday at the age of 77 at his Mexico City home, the Washington ...

'Environment Crime' May Have Just Been Traced to One Nation

Recent uptick in CFC-11 emissions could mess up ozone layer recovery; they may originate in China

(Newser) - Across the world, someone has been illegally producing an ozone-destroying gas banned more than 30 years ago. Now, investigators and the New York Times may have pinpointed the culprit behind the CFC-11 chlorofluorocarbon: factories making foam insulation in remote parts of China. Putting CFC-11 in the insulation, which is used...

Scientists 'Astounded' by Mysterious Rise in Banned Chemical

Source of CFC-11 is somewhere in East Asia

(Newser) - More than 30 years ago, world governments dealt with an alarming hole in the ozone layer with the Montreal Protocol, which banned damaging chemicals including the chlorofluorocarbon CFC-11. But it looks like somebody failed to get the memo. Scientists say they've detected a mysterious rise in emissions of the...

UN: Ozone Is Bouncing Back
 UN: Ozone Is 
 Bouncing Back 
Sep 11, 2014 8:14 AM CDT

UN: Ozone Is Bouncing Back

Layer is showing first signs of recovery

(Newser) - An environment story without warnings of impending doom : The ozone layer that blocks cancer-causing rays from the sun is finally starting to recover thanks to global action, according to the World Meteorological Organization and the United Nations Environment Program. While it will probably take until the middle of this century...

Ozone Hole Smallest It's Been in a Decade

Chlorofluorocarbon ban appears to be improving Earth's ozone

(Newser) - One of the most infamous symbols of man's assault on the planet is actually diminishing: The ozone hole over Antarctica was smaller in 2012 than it has been in 10 years, reports LiveScience . Scientists credit the improvement to the worldwide ban on chlorofluorocarbons, which cause the hole to appear...

Cold Weather Depleted Arctic Ozone Layer: Scientists

 80% Loss of  
 Arctic Ozone 
 Caused by... 
'nature' report
Oct 2, 2011 4:59 PM CDT

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...

Ozone Hole Shrinks Again
 Ozone Hole Shrinks Again 
Dec 3, 2010 4:22 PM CST

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...

Your Guide to Greenhouse Gases
 Your Guide to 
 Greenhouse Gases 
A COPENHAGEN PRIMER
Dec 13, 2009 3:35 PM CST

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
...

8 Stories
Most Read on Newser