Daily Archives: February 24, 2019

Arctic Sea Ice: the Denier Viewpoint

Since 1979 we’ve kept watch on the Arctic sea ice pack using satellites. It grows and decays with the seasons of course; more ice in winter/spring, less in summer/fall. But over the decades, we’ve also seen it waste away from year to year.

We get an even better view if we show the average for each year:

Now it’s obviously getting smaller. Not every year, of course — it does so in fits and starts, always fluctuating about — but the long term pattern, the trend, is clear. Deny it, and you are a denier.

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