Category Archives: Climate sensitivity

New ocean heat content analysis

I wanted to just briefly mention the recent paper that [quantifies] ocean heat uptake from changes in atmospheric O2 and CO2 composition, by Resplandy et al. The interesting thing about this paper is that it uses proxies to infer the … Continue reading

Posted in Climate change, Climate sensitivity, Policy, Research | Tagged , , , , , , | 183 Comments

THE GWPF’s annual lecture

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 , , , , | 175 Comments

The time evolution of climate sensitivity

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

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?

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!

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

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