Planet Gore

Global Warming Strikes Again

Hey, where did all this Arctic ice come from? The Daily Green:

Only two months ago, it looked as if the Arctic sea ice extent was trending so far below normal that it might set a new record. The extent of Arctic sea ice, a barometer on global warming and one of the most easily visualized effects of climate change, was 1 million square miles short of average throughout February.

But, lo and behold, so much new ice froze in March that the overall extent for this winter will end up nearly normal, as compared to the long-term average. That’s a headline no one could have written for years, as the extent of Arctic sea ice has dropped, rhythmically with the seasons, but dropped precipitously and consistently for years. The record-setting extent of melting in the past three summers was to a degree not expected for decades, under mainstream scientific predictions of just a few years ago.

As the ice melts, polar bear, Pacific walrus, ribbon seals and other species struggle for survival, and the potential for human use grows — for oil and gas drilling, and for shipping through once ice-locked channels. The extreme melting in the Arctic has been seen as a harbinger for things to come elsewhere at other latitudes: Does it mean that the worst-case predictions for other aspects of global warming are inevitable? Wildfires, droughts, crop failure, sea-level rise, massive rates of species extinctions . . .

Blah, blah, blah. The rest here, if you feel the need.


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