Reply #1: Interestingly, the movie The Day After Tomorrow describes exactly that.

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Obviously, one of the biggest flow of the movie was that it made the climate change happens in a couple weeks, rather than years, but if you saw the movie, this is exactly what it describes.

It bothers me that so many people use the word "global warming" rather than "global climate change", because it makes people think the problem is fixed each time there is a cool summer or a cold winter as we have this year.