Artful Dodger: No, just the impact and effect are still.. debatable. Cooling.. I heard that in the film "the day after tomorrow".. where the destabilisation of a sea current from the dumping of fresh water from the polar ice. Accuracy.. unknown to me. Without reading much sites I won't say it's right or wrong. It's in a box waiting info.

As to scepticism.. I agree, read.. but don't trust either side.. BOTH sides are making money from it. Businesses who will lose money from having to be greener and are lobbying government should not be trusted either.

I must say that you cannot deny we have had effect on our environment. Acid rain.. Nuclear reactors melting down leaving areas of land no go and our sheep designated "kill, to radioactive for human consumption." Smog.. LA had/has a problem with that.

My point is.. rather then moan about what they all are saying, do some research. Not just from anti GW sites, but from all to understand why they are saying it.