re: Snow on the ground in all 50 states, climate change is being downgraded

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And again it is tough to prove that humans are responsible for the change

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This is always been the real issue for me. I don't necessarily support or deny climate change because what is climate change really? It's just historical trending of the weather patterns. No one doubts that that actually happens it's been observed and recorded. The real question is, does human activity have any measurable effect on this and how much.

Climate change/global warming is really an argument about quantifying humans affect on the weather over the long-term. This is what the debate needs to focus on