“The price of climate” is… more food! This front-page Wall Street Journal story reports on the new corn fields in Alberta, Canada due to a warmer climate. Mild night time winter warming from an enhanced greenhouse effect is one positive aspect of CO2 from society using more fossil fuels and is an inherent part of CO2 theory going back to the 19th Century. More corn for a hungry world is good and not bad. It is a current and real benefit from CO2. But the Obama EPA endangerment finding claims there is a current negative effect. And check out data showing 5x increase in corn production worldwide since 1960 as population and fossil fuel use exploded — both of which are positive externalities from coal and fossil fuel use.
