National Climate Assessment: A crisis of epistemic overconfidence

Reposted from Judith Curry’s Climate Etc. Posted on January 2, 2019 by curryja 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…

Advertisements

An Assessment of the 4th National Climate Assessment

By Andy May The U.S. Fourth National Climate Assessment (NCA4) Volume II is out and generating a lot of discussion. Volume II, Impacts Risks and Adaptation in the United States to climate change can be downloaded here (Reidmiller, et al. 2018). Volume I, published last year, on the physical science behind the assessment is here (Wuebbles, et al. 2017). The mainstream…