lefty science has told us:

there are links in every note on the original article
We would be living through a new Ice Age by the year 2000.
We would all die when the ozone layer disappeared.
The oceans would be dead.
Global Cooling would destroy the world.
Acid rain would destroy our forests.
Overpopulation would result in worldwide famine.
We would deplete our natural resources.
We would run out of oil.
The polar ice caps would melt.
Manhattan would be underwater.
People who live in cities will have to wear gas masks.
Nitrogen buildup will make the land unusable.
“Decaying organic pollutants would use up all of the oxygen in America’s rivers, causing freshwater fish to suffocate.”