Carbon Quote by Tony Abbott

I have not seen proven proof that [climate change] is entirely man-made.

— Joni Ernst

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

— Marco Rubio

Clearly the climate is changing, whether caused by CO2 emissions or some other cause.

— Paul Craig Roberts

Whether carbon dioxide is quite the environmental villain that some people make it out to be is not yet proven.

— Tony Abbott

I am not at all convinced that human emissions of CO2 are adding to global warming.... I remain to be convinced about the theory…

— Nick Minchin

I do [believe climate change is man-made].

— Maggie Hassan

Society's emissions of carbon dioxide may or may not turn out to have something significant to do with global warming-the jury is still out.

— Edward Teller

I believe that man does have an impact on the climate, that CO2 has an impact on the climate, and we do take that…

— Andrew R. Wheeler

My first inclination is to be a bit skeptical about the claims that human-produced carbon dioxide is the direct contributor to global warming.

— Buzz Aldrin

I have never met a geologist or leading scientist who believes adding more carbon dioxide to the atmosphere will have any significant effect on…

— Gina Rinehart

Climate change is obviously happening and there is obviously a man-made contribution.

— Owen Paterson

We don't know what's causing climate change on this planet. And the idea of spending trillions and trillions of dollars to try to reduce…

— Mitt Romney