Graph of the Week: Indications of Change

Here’s a graph, from a good clear NOAA website called Artic Change. (Amazingly, this site seems to have escaped the Bush administration meddling that has marred some other gov sites on this topic.)

This graph breaks down climate not in terms of temperature but in terms of change, using principal component analysis. It’s a potent argument for the seriousness of the crisis that faces us, I think, because it points to the acceleration of change and hints at the wider swings of variability that go with what is known as global warming. 

This is a crucial and paradoxical aspect of climate change that just now is beginning to dawn on the general public.

Indications_of_a_changing_climate_2

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