Climate catastrophe peddlers pay nothing for being as wrong as can be.
“Climate change over the next 20 years could result in a global catastrophe costing millions of lives in wars and natural disasters.”
-The Guardian, 2004.
via Alex Epstein 
Discussion
CO2 before the industrial revolution 200 ppm (0.02%)
CO2 after industrial revolution 400 ppm (0.04%)
CO2 levels used in greenhouses by farmers 1,000 - 2,000 ppm (0.1 - 0.2%)
CO2 530 million years ago at the start of life on this planet 20,000 ppm (2%)
CO2 plant extinction event 150 ppm (0.015%)