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Podcast: Climate Now
Episode: What will happen when the permafrost thaws?
Description: Since the Industrial Revolution nearly 150 years ago, global average temperatures have increased by more than 1 degree C (1.9 degrees F), with the majority of that warming occurring since 1975. But during these recent decades of accelerated warming, temperatures in the arctic (latitudes above 66 degrees north) have have been rising even faster - nearly four times faster than the average global rate. The most readily observable impact of such intensive localized warming has been the rapid melting of the Greenland ice sheet, which is significant enough to be turning...