Category Archives: Climate sensitivity

THE GWPF’s annual lecture

Posted on October 14, 2018 by

Since I had nothing better to do with my afternoon, I watched the Global Warming Policy Foundation’s (GWPF) Annual Lecture, given this year by Richard Lindzen. If you really want to watch it, you can find the link here, but … Continue reading →

Posted in Carbon tax, Climate change, Climate sensitivity, ClimateBall, Global warming, Policy, The scientific method | Tagged , , , , | 11 Comments

The time evolution of climate sensitivity

Posted on September 20, 2018 by

I wanted to just post this figure from a new paper by Philip Goodwin called On the time evolution of climate sensitivity and future warming. It uses a modified energy balance approach in which multiple climate feedbacks evolve independently over … Continue reading →

Posted in Climate sensitivity, Global warming, Research | Tagged , , , | 227 Comments

The ECS is probably above 2K

Posted on September 1, 2018 by

I have quite a large conference starting tomorrow, so will probably be too busy to write. To keep things ticking over I thought I would post this seminar given by Andrew Dessler, discussing his recent work on constraining the Equilibrium … Continue reading →

Posted in Climate change, Climate sensitivity, Research | Tagged , , | 110 Comments

“Hothouse” Earth?

Posted on August 8, 2018 by

This is actually the 1000th post on this blog. I haven’t written them all, but have written many more than I had ever expected to write. I thought I might use this as an opportunity to write something about the … Continue reading →

Posted in Climate change, Climate sensitivity, Environmental change | Tagged , , , , , , | 174 Comments

No, Hansen wasn’t wrong!

Posted on June 22, 2018 by

It’s 30 years since James Hansen testified before the US Congress about climate change. In the same year, he published a paper that produced some forecasts. I wasn’t going to write about this as there are a number of articles … Continue reading →

Posted in Climate change, Climate sensitivity, ClimateBall, Policy | Tagged , , , , , , , , | 214 Comments

low-probability, high-impact outcomes

Posted on June 11, 2018 by

There’s an interesting Earth System Dynamics Discussion paper presenting a a simple proposal to improve the contribution of IPCC WG1 to the assessment and communication of climate change risks. Essentially, one can estimate the risk of some outcome by considering … Continue reading →

Posted in Climate change, Climate sensitivity, IPCC, Scientists, Severe Events | Tagged , , , , , , | 276 Comments

RCP8.5

Posted on May 10, 2018 by

There’s been a lengthy discussion on Twitter about RCP8.5. I think it was initiated by Roger Pielke Jr, who continues in his campaign to police the scientific community: RCP 8.5 is by far the favorite in climate impact studies (graph).I … Continue reading →

Posted in Climate change, Climate sensitivity, ClimateBall, Policy, Research, Scientists | Tagged , , , , | 271 Comments