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Human activity is affecting our planet. Big time.

Don't take my word for it, though — take the 97% of climate scientists' who believe climate change is not, um, voodoo, but, in fact, areal thing largely caused by us.

Although science says climate change is certainly happening, however, Americans are a bit less sure. In a Gallup poll published back in March, only slightly over half the country believes the effects of global warming are occurring.

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