Category Archives: Climate sensitivity

Reconciling climate sensitivity estimates – part III, or IV?

I mentioned in a recent post that there was a new paper that claims to reconciles climate sensitivity estimates. The basic issue is that observationally-based climate sensitivity estimates have a range of about 1.5oC to about 3oC, while climate model … Continue reading

Posted in Climate change, Climate sensitivity, Research, Science, The philosophy of science | Tagged , , , , , | 91 Comments

Temperature targets

I realise Michael Tobis is planning a follow-up to his post, but I thought would quickly pen this post about temperature targets, for example the Paris target of keeping the increase in global average temperature to well below 2°C above … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, IPCC, Policy, Politics, Science | Tagged , , , , , , | 37 Comments

David Whitehouse is very confused

David Whitehouse, who is Science editor for the Global Warming Policy Foundation, has an article in the The Spectator, apparently presenting the truth about the global warming pause. It is, to be polite, very confused. For starters, it defines the … Continue reading

Posted in Climate change, Climate sensitivity, ClimateBall, Global warming | Tagged , , , , , , , , | 59 Comments

What does the Vostok ice core tell us?

Euan Mearns, who runs a blog called Energy Matters, had a post in 2014 about The Vostok ice core: Temperature CO2 and CH4. This post has apparently had 8000 reads, is probably one of the most read texts on the … Continue reading

Posted in Climate change, Climate sensitivity, ClimateBall, Global warming, Greenhouse effect, Pseudoscience, Research, Science | Tagged , , , , , | 72 Comments

Lukewarmers resurgent

I’ve noticed a slight resurgence in those claiming to be lukewarmers and trying to argue that this is some kind of reasonable middle ground. I’ve written about lukewarmers before, but the basic issue with the lukewarmer argument is that they … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, Greenhouse effect, Politics, Science | Tagged , , , , | 659 Comments

The enhanced greenhouse effect

This is really just an opportunity to write a little bit about science, and to advertise other people’s work. There are some who suggest that adding CO2 to the atmosphere can’t lead to warming because CO2 absorption is saturated. This … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, Greenhouse effect, Science | Tagged , , , , , , | 47 Comments

We might not be certain, but…..

Bret Stephens, the newly appointed Op-Ed writer for the New York Times, has released his first column to much criticism. It’s a rather strawman-laden column in which he essentially argues that it’s okay to doubt climate science, and/or climate policy, … Continue reading

Posted in advocacy, Climate change, Climate sensitivity, ClimateBall, Global warming, Policy, Science, Severe Events, The scientific method | Tagged , , , , , , | 144 Comments