Tag Archives: Climate models

Propagation of nonsense – part II

I thought I would look again at Pat Frank’s paper that we discussed in the previous post. Essentially Pat Frank argues that the surface temperature evolution under a change in forcing can be described as where is an enhancement factor … Continue reading

Posted in Climate sensitivity, ClimateBall, physicists, Research, Satire, Scientists | Tagged , , , , | 122 Comments


There’s been a rather contentious Twitter thread about RCP8.5, a concentration/forcing pathway I’ve discussed before. It started with a claim that it was “bollox” followed by a suggestion that it was mainly used for generating headlines, scaring gullible folk and … Continue reading

Posted in Carbon tax, ClimateBall, Policy, Scientists, Sound Science (tm) | Tagged , , , , , , | 100 Comments

Models are failed hypotheses!

John Christy has written a report for the Global Warming Policy Foundation called climate models have been predicting too much warming. The basic conclusion of the report is that climate models predict far more warming in the tropical troposphere than … Continue reading

Posted in Climate change, Climate sensitivity, ClimateBall, Global warming, Greenhouse effect | Tagged , , , , , , , , | 60 Comments

The Hawkmoth Effect

I’ve been down to the University of Warwick to give a seminar, and was reading Eric Winsberg’s book on the train. Eric was interviewed by Willard for the previous post and his book is about Philosophy and Climate Science. I’m … Continue reading

Posted in Climate change, Climate sensitivity, Research, Sound Science (tm), The philosophy of science, The scientific method | Tagged , , , , , , , | 209 Comments

10% of GDP?

The latest National Climate Assessment has just been released (National here means the USA, if you want the UK Climate Projections you can get them here). It’s already proved somewhat controversial, mainly because of a headline figure that following a … Continue reading

Posted in Carbon tax, Climate change, economics, Policy, Science | Tagged , , , , , | 71 Comments

Climate impacts

Carbon brief has a very nice interactive report that show the impacts of climate change at 1.5C, 2C and beyond. It presents the various projected climatic, ecological, and economic changes on both global and regional scales. It is an impressive … Continue reading

Posted in Climate change, economics, Environmental change, Science, The philosophy of science | Tagged , , , , , , , | 60 Comments

Guest post: A ‘new’ measurement of climate sensitivity?

This is a guest post by Mark Richardson, who is currently a Caltech Postdoctoral Scholar at the NASA Jet Propulsion Laboratory. Mark has a particular interest in the role of clouds in climate change. This post is a response to … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, The scientific method | Tagged , , , | 150 Comments