Temps, up 2.2 F Since 1900, Would Be 2.5 Degrees Cooler Without Greenhouse Gases
(NEWSER) - Summer temperatures in the Arctic have climbed 2.2°F since 1900 despite an 8,000-year cooling trend, the Guardian reports. For the past few thousand years, the orbit of the Earth and the changing tilt of its axis has put the Arctic 630,000 miles further from the sun than in the year 0, which would have left the region 2.5°F cooler than it is today without human intervention, scientists say. They blame greenhouse gases for the cranked-up heat. More»
