Originally Posted by GatorB

FACT: CO2 is a greenhouse gas. Venus proves that. Even Mars proves it. It's cold, but it'd be 100 degrees colder if it didn't have any CO2.

FACT: Man has been putting CO2 into the air for 150 years.

FACT: Trees breathe in CO2 and produce oxygen

FACT: over the last 150 the amount of forrested in area in the world has shrunk.

So in other words more CO2 and less trees to consume it.

To say that man has no absolutely ZERO effect on our atmosphere is retarded.