Seriously, the evidence is there. What are you people afraid of? Science?
It's 2015, stop thinking like a Neanderthal.
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Climate change yes, global warming, no The earth goes through a natural cycle of heating and cooling. As far as how much we effect it, it's probably very little. We're like insects to an elephant. All we can do is annoy it. If we were to go extinct, the earth will continue on without us