> For that matter, increases in air temperature in the 20th century by no means constitute definitive evidence of anthropogenic warming, since the planet has been warming for about four centuries.
If by definitive, you mean 100%, then yes, else no. The IPCC distilled the consensus down to about 95% which is quite strong, by all means.
If by definitive, you mean 100%, then yes, else no. The IPCC distilled the consensus down to about 95% which is quite strong, by all means.