"Alotta Fagina" wrote in message
...
You wrote:

The models show that increased carbon dioxide in the atmosphere will
cause a global average temperature increase.

Actual increased CO2 increases plant growth, and that has happened: there
is more forest land in the US today than 100 years ago.

That's mainly because land cleared for small, individual farms 100 years ago
has been allowed to regrow.

Eisboch