Capture Quote by Craig F. Bohren

The important point there is that when people talk about a mean temperature rise of say two, three or four degrees that's a sort…

— Martin Rees

The five-year mean global temperature has been flat for the last decade

— James Hansen

Few scientists now dispute that today's soaring levels of carbon dioxide and other gases in the atmosphere will cause global temperature averages to rise…

— Carl Sagan

An increasing amount of climate research suggests a possibility of global cooling.

— Walter E. Williams

I don't like the term 'global warming,' because it's misleading. It implies something that's mainly about temperature, that's gradual, and that's uniform across the…

— John Holdren

“The Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) synthesized the results from eighteen climate models used by groups around the…

— Heidi Cullen

The five-year mean global temperature has been flat for the last decade, which we interpret as a combination of natural variability and a slow…

— James Hansen

I think that measuring with precision human activity on the climate is something very challenging to do, and there's tremendous disagreement about the degree…

— Scott Pruitt

I don't think there is any global warming. I don't see the statistical data for that.

— Vaclav Klaus

Only by advocating 'politically unrealistic' CO2 concentrations can runaway global warming be avoided. But what is politically realistic for humans is whollymunrelated to what…

— Mark Lynas

“Why in the decade following 1990, were the number of ground temperature stations selected to calculate global temperature reduced from the available 14,000 to a mere 4,000? •    ”

— Alan Carlin

Global warming is a scientific fact as much as the hole in the ozone layer or Earth's orbit around the sun.

— Johan Rockstrom