Record Snowfall of 2010 Does Not Contradict Global Warming

We just got five feet of snow in Washington [February 2010] and so everybody is like—a lot of the people who are opponents of [the idea of] climate change, they say, "See, look at that, there's all this snow on the ground." This doesn't mean anything. I want to just be clear that the science of climate change doesn't mean that every place is getting warmer; it means the planet as a whole is getting warmer. But what it may mean is, for example, Vancouver, which is supposed to be getting snow during the Olympics, suddenly is at 55 degrees [Fahrenheit], and Dallas suddenly is getting seven inches of snow.

The idea is, is that as the planet as a whole gets warmer, you start seeing changing weather patterns, and that creates more violent storm systems, more unpredictable weather. So any single place might end up being warmer; another place might end up being a little bit cooler; there might end up being more precipitation in the air, more monsoons, more hurricanes, more tornadoes, more drought in some places, floods in other places. . . .

SOURCE: Barack Obama, Remarks by the President at a Town Hall Meeting in Henderson, Nevada, February 19, 2010.

England was caused by global warming," according to University of Victoria climate scientist Andrew Weaver in his book Keeping Our Cool. Instead, Weaver explained, the scientists "provided compelling evidence that the lion's share of the observed increase in middle to high latitude northern hemisphere precipitation . . . was a consequence of human-induced global warming."7 Thus, scientists cannot tell whether any particular weather event is or is not the result of global warming. But they can tell whether certain weather events will be more or less likely as the weather warms. In this case, scientists did not say that the July 20 floods were caused by global warming. But they did say that serious floods in England were growing more likely because of climate change.

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