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Crazy weather traced to Arctic's impact on jet stream

2014-09-27 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed

New Scientist: The rapid retreat of Arctic sea ice caused by climate change may be to blame for more frequent prolonged spells of extreme weather in Europe, Asia and North America, such as heat waves, freezing temperatures or storms. These are relatively short-term periods of bizarre weather, like the cold snap that paralysed North America earlier this year, rather than longer-term rises in temperature. They are related to "stuck" weather patterns, Jennifer Francis of Rutgers University in New Brunswick,...

Tags: impact weather crazy stream

 

Arctic's ozone hole is looking good

2014-04-14 21:52:00| Climate Ark Climate Change & Global Warming Newsfeed

LiveScience: With a boost from Mother Nature, the worldwide ban on ozone-depleting chemicals stopped Arctic ozone from disappearing and forming an "ozone hole" similar in size to Antarctica's, a new study finds. "It seems like we did just the right thing at the right time," said Susan Solomon, an atmospheric chemist at MIT and lead study author. "It's quite a success story." Looking back at some 50 years of Arctic ozone records, Solomon and her co-authors found no evidence that Arctic ozone levels have dropped...

Tags: good hole ozone ozone hole

 
 

Rushing for the Arctics riches

2013-12-08 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed

New York Times: WHILE many existing oil and gas reserves in other parts of the world are facing steep decline, the Arctic is thought to possess vast untapped reservoirs. Approximately 13 percent of the worlds undiscovered oil deposits and 30 percent of its natural gas reserves are above the Arctic Circle, according to the United States Geological Survey. Eager to tap into this largess, Russia and its Arctic neighbors Canada, Norway, the United States, Iceland and Denmark (by virtue of its authority over Greenland)...

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Arctic's Hudson Bay Warming Rapidly, at Tipping Point

2013-10-09 02:32:00| Climate Ark Climate Change & Global Warming Newsfeed

National Geographic: The Arctic has experienced some of Earth's first and greatest effects of climate change, but the icy lowlands around Hudson Bay have remained remarkably resistant to warming-until recently. A new study reports that, since the mid-1990s, aquatic ecosystems in one of the Arctic's last refugia have undergone dramatic climate-driven changes and appear to have reached an ecological tipping point. While local temperatures had remained relatively steady before the last two decades, they've risen since...

Tags: point bay warming rapidly

 

The Arctic's Northern Sea Route

2013-08-18 01:16:00| Climate Ark Climate Change & Global Warming Newsfeed

Guardian: Global warming means that the Arctic's fabled Northern Sea Route could soon be ice-free in summer, slashing journey times for cargo ships sailing from the Far East to Europe

Tags: sea northern route arctics

 

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