Consensus on Global Warming; caused by humans? I think not.
In point of fact, i think the very idea of a consensus being the end of the debate is foolish. Take something as non-controversial as "What killed the dinosaurs?" There's been consensus many times in my 34 years on this Earth. The problem is the consensus keeps changing after some renegade unearth's some new evidence supporting a changing conclusion.
With regards to Earth's climate, it's foolish to say that it has not always been changing. In NYC's Central Park, you can see evidence of the last glaciation. It's clear climate has changed. The only question is whether or not humans are are impacting that change. To some degree, I am sure we are. With all of our farming, roads, towns and cities, we have certainly changed the face of the Earth. The question is whether or not our changes are impacting the Earth's climate in a strong enough way to change the rate and possibly the direction of the current change. Of that, I am not convinced. There are very powerful forces, the Sun greatest of all, at work here, and we are only beginning to understand them.
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