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Dire enough that the population of the United States is going to have to evacuate en masse to Canada?

Really?

Of course not. But the math is pretty simple. More and bigger waves, more and bigger storms on the coasts. The sea level will rise slowly, but surely. It will take 100+ years, but it'll rise by at least 10 meters, of course if we don't do something against it. And it's not impossible to build dikes and levees, but they'd look like huge hills on the shore. Not so bad, we have plenty of time to move a lot of dirt, but maybe a few people would spend that on preventing sea level rise instead.

> Of course not.

Ok. So the original commenter's idea of Trump having some sinister scheme to leave the Canadian border un-walled so Americans can flee en masse as the mainland is destroyed by global warming, is absurd. That's all I was asking.

I merely pointed out to a parent comment, that things still can (and are likely to) get worse, even if he (she?) can't see it presently, and that might be a reason why "global warming aware" hippies are screaming.

The Canadian border wall part is completely irrelevant, and yes, absurd.

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