Thirty years ago, James Hansen made some spectacularly poor global warming predictions before Congress.

12 Jun 1986, Page 12 – The Evening Times

Hansen predicted two degrees global warming by 2006.

He was off by a factor of ten. Earth warmed about 0.2 degrees from June 1986 to June 2006.

Wood for Trees: Interactive Graphs

Hansen predicted 3 or 4 degrees of US warming between 2010 and 2020

The US has seen little or no warming since 1986.

Hansen predicted a huge increase in the number of hot days at Omaha, Nebraska and Washington, DC.

The exact opposite has occurred. Both places have seen a decline in the number of hot days.

Climate scientists have no idea what they are talking about, and their CO2 superstition is not based on science.