Al Gore's global-warming documentary, An Inconvenient Truth - The Quotes

What gets us into trouble is not what we don't know. It’s what we know for sure that just ain't so.

Mark Twain

If you had a big globe with a coat of varnish on it, the thickness of that varnish relative to that globe is pretty much the same as the thickness of the earth's atmosphere compared to the earth itself.

Carl Sagan

The era of procrastination, of half-measures, of soothing and baffling expedients, of delays, is coming to its close. In its place we are entering a period of consequences.

Sir Winston Churchill

Doubt is our product since it is the best means of competing with the 'body of fact' that exists in the mind of the general public. It is also the means of establishing a controversy.

Brown & Williamson Tobacco Company

It is difficult to get a man to understand something when his salary depends upon his not understanding it.

Upton Sinclair

Humanity already possesses the fundamental scientific, technical, and industrial know-how to solve the carbon and climate problems.

Stephen Pacala and Robert Socolow