Even the skeptics of global warming still bring in the CO2 as a problem comment. I just don’t get it. CO2 is NOT a problem. It is PLANT FOOD! It has nothing, zero, zip to do with climate change, warming, cooling or anything else other than being a trace gas in the atmosphere and something we exhale with every breath. I get so depressed when I see people who sound intelligent and reasonable about the so-called “climate change-global warming crises” say things about CO2 as a given “pollutant” I want to cry. It is so depressing. We can never make any progress if we give ground on such fundamental issues.
There is no doubt CO2 is a greenhouse gas. At some level it would start to be a major problem and contribute to planetary warming.
Where the warmists go off track is their assumption that they know exactly where that point is and exactly how a given change will affect the climate. They also assume that all factors will provide positive feedback, while the somewhat limited evidence is that negative feedback is at least as strong.
I think it is irrresponsible to say that CO2 is not and can never be a hazard, regardless of what levels it attains. But it is at least as irresponsible to destroy the world’s economy to act out a response to a poorly supported theory.
Proves AGW is not a scientific issue, but rather a political one, when they talk of carbon tax, and cap and trade policies....and recently Hildabeast talking that Bush did nothing to help steal more money...oh no, about global warming.
There's no doubt that when CO2 increases, temperature increases. The better question is whether the CO2 increases will cause "catastrophic" warming (whatever that is). But the actual increase from doubling CO2 from 280 to 560 ppm is 0.25C All the rest and the alarmism is a product of provably inaccurate models or self-serving assumptions.