David "Climate Nuremberg" Roberts: Remember when we said our models were reliable, and we should be terrified? We meant to say our models are *unreliable*, and we should be even more terrified

Climate models are creating a false sense of security, or at least insufficient terror | Grist

In the commentary, Paul Valdes reviews four examples of abrupt climate change from the historical record and finds that climate models don't do a good job simulating them. The models have to be retroactively tweaked to produce the conditions that ended up actually happening.