"World oil production can probably keep going up for another 6 or 8 years. But some time in the 1980s it can’t go up much more. Demand will overtake production."-Jimmy Carter 1977
"Because of increased dust, cloud cover and water vapor the planet will cool, the water vapor will fall and freeze, and a new Ice Age will be born"-Newsweek 1970
"civilization will end within 15 or 30 years unless immediate action is taken against problems facing mankind,”-George Wald 1970.