Category Archives: IPCC

Rethinking climate policy

Roger Pielke Jr has been promoting his new paper in Issues in Science and Technology. The paper is called opening up the climate policy envelope and Roger has been suggesting that people should read it. I’ve read it a couple … Continue reading

Posted in advocacy, Carbon tax, IPCC, Policy, Roger Pielke Jr | Tagged , , , , | 290 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

More about Equilibrium Climate Sensitivity

It’s currently the AGU Fall Meeting and there was a session on Climate sensitivity and feedbacks. It included talks by Kate Marvel and Kyle Armour, and I noticed that the Convener, Andrew Dessler, had tweeted This leads to one of … Continue reading

Posted in Climate sensitivity, Global warming, IPCC, Science, The scientific method | Tagged , , , , , , | 34 Comments

More time …. really?

A recent paper about [e]mission budgets and pathways consistent with limiting warming to 1.5 °C essentially argues that it is still possible to follow an emission pathway that will give us a good chance of keeping warming below 1.5oC. More specifically, … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, IPCC, Research, Uncategorized | Tagged , , , , , , | 38 Comments

Manichean paranoia

Some have encouraged me to watch Roger Pielke Jr’s presentation on Climate politics as a manichean paranoia, and I have now done so (slides here, and I’ll post the video at the end of the post.). Manichean paranoia refers to … Continue reading

Posted in ClimateBall, Global warming, IPCC, Policy, Roger Pielke Jr, Uncategorized | Tagged , , , , , , | 302 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 , , , , , , | 39 Comments

Emission pathways

I’m always a little concerned about writing about economics/policy, because I don’t have any specific expertise and find myself easily confused. However, I thought I would briefly discuss a figure that Glen Peters posted on Twitter (he also, kindly, clarified … Continue reading

Posted in Climate change, Global warming, IPCC, Policy, Politics | Tagged , , , , | 159 Comments