Fingerprints Quote by Roy Spencer

What I think is this: Man is responsible for a PART of global warming. MOST of it is still natural.

— George Kukla

While I think the earth is warming, I don't think that man-made causes are the primary factor.

— Ken Buck

Significant new peer-reviewed research has cast even more doubt on the hypothesis of dangerous human-caused global warming.

— Antonino Zichichi

I don't believe man-made global warming is settled in science enough.

— Rick Perry

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

— Joni Ernst

The science is in. The facts are there that we have created, man has, a self-inflicted wound that man has created through global warming.

— Arnold Schwarzenegger

Believe it or not, very little research has ever been funded to search for natural mechanisms of warming... it has simply been assumed that…

— Roy Spencer

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…

— Vaclav Klaus

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

— David Suzuki

Geologists and paleo-climatologists know that in the past the Earth's temperature has been substantially warmer than it is today, and that this warming has…

— Greg Benson

The earth is warming. Humans are contributing.

— Brett Kavanaugh

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

— Maggie Hassan