"Five years is all we have left if we are
going to preserve any kind of quality in the world." ---Paul Ehrlich,
Earth Day 1970
"In a decade, America's mighty rivers will
have reached the boiling point." ---Edwin Newman, Earth Day 1970
"If present trends continue, the world will
be about four degrees colder for the global mean temperature in 1990, but
eleven degrees colder by the year 2000...This is about twice what it would
take to put us in an ice age." ---Kenneth E.F. Watt on air pollution
and global cooling, Earth Day 1970.
They didn't know what they were talking about then, and they don't know any better today.