Dear Donald Trump: Winter Does Not Disprove Global Warming

A Bostonian trudges by Government Center as Winter Storm Hercules's snows begin.Nicolaus Czarnecki/METRO US/ZUMA

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An intense blizzard, appropriately named Hercules, is about to blanket the Northeast. Antarctic ice locked in a Russian ship containing a team of scientists—en route, no less, to do climate research. Record low temperatures have been seen in parts of the US, and in Winnipeg, temperatures on December 31 were as cold as temperatures on…Mars.

So as is their seasonal wont, here come the climate skeptics. Exhibit A:

And Trump isn’t the only one. A similar reaction came from Congressman John Fleming, a Louisiana Republican:

And RedState.com’s Erick Erickson also piled on, blending global warming dismissal with religion:

Meanwhile, the front page of the Drudge Report listed a variety of cold weather news items under the heading, “Global Warming Intensifies…”

Drudge Report/Climate Desk

Rush Limbaugh also weighed in, noting that the Green Bay Packers may face San Francisco in subzero temperatures at home this weekend:

LIMBAUGH: I would love to see Barack Obama, Bill Clinton, and Hillary sitting outside on the 50 yard line of Green Bay the whole game, and then afterwards do a presentation for us all on global warming. Sit there the whole game outside.

And last but not least, Fox Business‘s Stuart Varney used the Antarctic ice story to claim that “we’re looking at global cooling, forget this global warming.”

All of this is all wrong in ways that have all been explained before. So just a few brief observations:

1. Statements about climate trends must be based on, er, trends. Not individual events or occurrences. Weather is not climate, and anecdotes are not statistics.

2. Global warming is actually expected to increase “heavy precipitation in winter storms,” and for the northern hemisphere, there is evidence that these storms are already more frequent and intense, according to the draft US National Climate Assessment.

3. Antarctica is a very cold place. But global warming is affecting it as predicted: Antarctica is losing ice overall, according to the latest report of the Intergovernmental Panel on Climate Change. However, sea ice is a different matter than land-based or glacial ice. Antarctic sea ice is increasing, and moreover, the reason for this may be climate change! (For more, read here.)

Finally, just one last thing. When it’s winter on Earth, it’s also summer on Earth…somewhere else. Thus, allow us to counter anecdotal evidence about cold weather with more anecdotal evidence: It’s blazing hot in Australia, with temperatures, in some regions, set to possibly soar above 120 degrees Fahrenheit in the coming days.

More MotherJones reporting on Climate Desk

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Thank you!

We didn't know what to expect when we told you we needed to raise $400,000 before our fiscal year closed on June 30, and we're thrilled to report that our incredible community of readers contributed some $415,000 to help us keep charging as hard as we can during this crazy year.

You just sent an incredible message: that quality journalism doesn't have to answer to advertisers, billionaires, or hedge funds; that newsrooms can eke out an existence thanks primarily to the generosity of its readers. That's so powerful. Especially during what's been called a "media extinction event" when those looking to make a profit from the news pull back, the Mother Jones community steps in.

The months and years ahead won't be easy. Far from it. But there's no one we'd rather face the big challenges with than you, our committed and passionate readers, and our team of fearless reporters who show up every day.

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