You can't use just one winter as evidence for global warming, but long-term trends do show definite climate change. Some will argue that it's el Nino or other short-term influences, but those El Ninos are much more frequent because of global warming. They'll also argue if we have some cold weeks or even months, or if a certain local area is colder. They don't understand averages, and also vote for presidents like Bush. This winter might feel pretty comfortable, but the effects on the earth's ecosystems aren't nice.
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