Analysis: ‘Blaming CO2 for heatwaves defies history and science, and is nothing more than superstition’
'U.S. saw much more severe heatwaves in the past when CO2 was below 320 ppm. Not only was the duration of the heatwaves longer, but the intensity was greater. The climate was hotter in the past...The 1990s had unusually cool summers after the eruption of Mt. Pinatubo, and that gap has blinded people to the longer term record'