Assessment Quote by Donella Meadows

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

All the science in the last few years, or almost all of it, really serves to show that the [climate] effects are larger and…

— Bill McKibben

Have the models been successful in predicting anything? They, of course, predict substantial global warming. This is not surprising given the expressed belief of…

— David Douglas

The scientists are really scared. Their [global warming] observations over the past two or three years suggest that everything is happening a lot faster…

— Gwynne Dyer

I know that the precise magnitude and patterns of climate change cannot be fully predicted. But global warming clearly is a growing, long-term threat…

— William J. Clinton

I'm not a specialist in the science but I have followed it fairly closely and it seems to me that there is among the…

— Martin Rees

However, the models also predict unambiguously that the atmosphere is warming faster than the surface of the earth; but all the available observational data…

— David Douglass

You think the weather is weird now? Just wait. A new MIT study, just published in a peer-reviewed journal, projects that the Earth could…

— Jeff Goodell

When future generations look back on the global-warming scare of the past 30 years, nothing will shock them more than the extent to which…

— Christopher Booker

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

— Antonino Zichichi

There is much debate in the scientific community as to the precise sources of global warming.

— Pat Toomey

What we are saying is that on top of the warming trend there is a long-periodic oscillation that will probably lead to a lower…

— Mojib Latif