Ozone-depleting gases may account for up to half of Arctic warming in the last 50 years
The study includes uncertainties, but it suggests that there may be some hope that the rate of Arctic warming will slacken.
A new study published last week in the journal Nature Climate Change concludes that ozone-depleting substances, such as chlorofluorocarbons, could account for up to half of the temperature increase observed in the Arctic from 1955-2005. Scientists have long struggled to fully explain why the Arctic has warmed twice as much as other parts of the world. This warming trend has resulted in dramatic loss of sea ice over the last two decades.
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