When did scientist first notice global warming?
http://www.aip.org/history/climate/index... 8% 1 Vote

Are you old enough to read and understand this? 0% 0 Votes

When it became profitable to get in on it, so right after global cooling and acid rain were abandoned. 17% 2 Votes

...When the environmentalists and the liberals needed a new way to make off with more taxpayer dollars. 0% 0 Votes

The first one was at the end of the ice age
.. . ..
The next is about 10 years ago
Before that it was only a theory
.. . .. 8% 1 Vote

The first computer models predicting the %26quot;greenhouse effect%26quot; were in 1968 I believe. 0% 0 Votes

I think they have been studying it for decades... 0% 0 Votes