National Climate Assessment: A crisis of epistemic overconfidence

by Judith Curry

“You can say I don’t believe in gravity. But if you step off the cliff you are going down. So we can say I don’t believe climate is changing, but it is based on science.” – Katherine Hayhoe, co-author of the 4th National Climate Assessment Report.

Continue reading

2018 –> 2019

by Judith Curry

Happy New Year!

Continue reading

Week in review – science edition

by Judith Curry

A few things that caught my eye this past week.

Continue reading

Week in review – science edition

by Judith Curry

A few things that caught my eye this past week.

Continue reading

Cliff Mass: victim of academic political bullying

by Judith Curry

There is a disturbing story coming out of the University of Washington surrounding Cliff Mass.

Continue reading

Climate sensitivity to cumulative carbon emissions

By Nic Lewis

An observational estimate of transient (multidecadal) warming relative to cumulative CO2 emissions is little over half that per IPCC AR5 projections.

AR5 claims that CO2-caused warming would be undiminished for 1000 years after emissions cease, but observations indicate that it would halve. Continue reading

Politics of climate expertise

by Judith Curry

“Concerning the inability of expert knowledge to resolve environmental controversy and the pressing need for a pragmatic reframing of policy problems to allow for solutions based on bipartisan values.”

Continue reading