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I have been one of the guys who have been skeptical of global warming from the beginning. The jury is obviously still out on it. We see nothing but conflicting reports from across the globe. I'm not sure; I'm not a scientist.

The truth is, as most of us know, that global warming is real and humans are major contributors, mainly because we wastefully burn fossil fuels.

Faced with the evidence, many deniers have started to admit that global warming is real, but argue that humans have little or nothing to do with it.

I am convinced that policies meant to reduce alleged carbon dioxide-induced global warming will be destructive.

Global warming is controversial, of course, but the controversy is mainly over whether human activity is driving it.

There is a majority of scientists that say that global carbon emissions by humans causes some changes in the climate.

I'm absolutely convinced that the very small global warming we are experiencing is the result of natural causes. It's a cyclical phenomenon in the history of the Earth. The role of man is very small, almost negligible.

I've always been concerned about global warming. It seemed to me like working in nuclear power was a logical way to do something to help the environment.

I'm not disputing that increasing CO2 emissions in the atmosphere is going to have an impact. It'll have a warming impact.