Climate Change Mass Extinction

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Last updateSat, 21 Feb 2015 7pm

Storm brews around hypothesis linking Arctic melting to extreme

Three years ago, Jennifer Francis of Rutgers University proposed that a warming Arctic was altering the behavior of the northern polar jet stream, the high, fast-moving torrent of air that circles the pole. The jet stream is slowing and meandering more, she proposes, causing extreme weather patterns to linger longer over North America.

Read more: Storm brews around hypothesis linking Arctic melting to extreme

Study: Arctic warming at 'stunning' rate – highest temps in 44,000 years - 2 article links

A recent study has shown that over the past 100 years the average summer temperatures in the Eastern Canadian Arctic have been toastier than at any time for at least the past 44,000 years, and perhaps for as long as 120,000 years.

Read more: Study: Arctic warming at 'stunning' rate – highest temps in 44,000 years - 2 article links

Look back at record year for natural disasters

2013 was a year of record-breaking natural disasters, including the powerful tornadoes that struck Oklahoma, and a 10-week rim fire in California’s Yosemite Park.

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Extreme weather from around the world

From floods in Austin, Texas, to snow in South Dakota and the giant cyclone that hit India, wild weather took its toll over the weekend. NBC’s Brian Williams reports.

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The high cost of weather disasters

CNN's Alina Cho reports on the near record cost of weather disasters in 2012.

Read more: The high cost of weather disasters

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