Argument Quote by David Attenborough

The climate is changing; I don't think you can deny that. But climate has always changed.

— Ryan Zinke

I am appalled at the state of discord in the field of climate science. There is no observational evidence that the addition of anthropogenic…

— George T Wolff

There is no doubt our earth is warming and our seas rising - or that humankind is the cause. There is no evidence to…

— Bill Shorten

There is no doubt in my mind that the literature on climate change overwhelmingly supports the hypothesis that climate change is caused by humans.…

— Richard Tol

In view of the immense power of natural weather and climate fluctuations and the great buffering capacity of the Earth, especially the ocean, it…

— James Hansen

I don't think the human effect [of climate change] is significant compared to the natural effect.

— Harrison Schmitt

I do absolutely believe that the climate is changing. I'm not prepared to determine causation.

— Kirstjen Nielsen

The climate has been changing. Of course it [has]. Evidence throughout history, [which] we can assess, especially during human history, shows there have been…

— Sylvia Earle

There is no strong evidence to prove significant human influence on climate on a global basis. The global cooling trend from 1940 to 1970…

— Peter Stilbs

Ask almost anybody if they think the climate?s changed in the last couple of decades and they will all say ?yes? and give you…

— James Lovelock

Many people have the impression that there is significant scientific disagreement about global climate change. It's time to lay that misapprehension to rest. There…

— Naomi Oreskes

I think there is a degree of speculation that is satisfied the climate is changing.

— Ted Baillieu