I concede. I've been following the claims made for global warming since 1991, and ever since then I've been waiting for that one piece of evidence, anything at all, that proves the claims.
It's now arrived. Although there's not yet proof it's a threat to the planet, or to us -- in fact, the new evidence strongly suggests it has been a positive boon -- we do now have positive proof that global warming exists . Click here to see the evidence.