three quotes...

"Meteorologists disagree about the cause and extent of the cooling trend . . . But they are almost unanimous in the view that the trend will reduce agricultural productivity for the rest of the century."
Newsweek, 1975

"Scientists concluded -- almost unanimously -- that global warming is real and the time to act is now."
Al Gore, 1992

"The whole aim of practical politics is to keep the populace alarmed -- and hence clamorous to be led to safety -- by menacing it with an endless series of hobgoblins, all of them imaginary."
H.L. Mencken