Here are two articles on evidence of climate change in the arctic. The first article is from the BBC and reports that the Arctic ice shelf has shrunk in surface area for the fourth consecutive year. The second article is from Reuters and details how the landscape of Alaska has been transformed due to permafrost thawing out.
From the BBC Article:
The new data shows that on 19 September, the area covered by ice fell to 5.35 million sq km (2.01 million sq miles), the lowest recorded since 1978, when satellite records became available; it is now 20% less than the 1978-2000 average.
The current rate of shrinkage they calculate at 8% per decade; at this rate there may be no ice at all during the summer of 2060.
Scientists in the BBC article were quoted as saying that humans are at least partly to blame for the warming.
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