Category Archives: IPCC

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 , , , , | 123 Comments

Emissions slowdown

I thought I would post this video of Glen Peters discussing the three years we’ve just had in which there has been near-zero growth in emissions. You can use a Kaya-like identity to try and understand what might be causing … Continue reading

Posted in Global warming, IPCC, Policy | Tagged , , , , , , | 32 Comments

Catastrophe, hoax, or just “Lukewarm”?

I thought I would post this video of a talk given by Tim Palmer. The basic message is that climate change is neither a hoax, going to be catastrophic, or going to be benign (Lukewarm). What climate science can (and … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, IPCC, Research, Science | Tagged , , , , , , , , | 119 Comments

Oh no, not again

Somehow a paper arguing that the increase in atmospheric CO2 is mostly natural has managed to pass peer-review. Gavin Schmidt’s already covered it in a Realcimate post. Gavin Cawley’s paper is, in a sense, a pre-emptive response to this new … Continue reading

Posted in Climate change, ClimateBall, IPCC, Pseudoscience, Research | Tagged , , , , , , , | 64 Comments

A new baseline?

Ed Hawkins and colleagues have a new paper called Estimating changes in global temperature since pre-industrial times, which Ed also discusses in this post. The basic suggestion seems to be that we should probably be defining pre-industrial as the period … Continue reading

Posted in Climate change, Global warming, IPCC, Research, Science | Tagged , , , , , , | 24 Comments

Public criticism

I came across an article about media and the game of climate change denialism. The basic message is that the media should better reflect the nuances in the climate change debate and should avoid presenting it as a debate between … Continue reading

Posted in Climate change, Climate sensitivity, ClimateBall, Global warming, IPCC | Tagged , , , , , | 39 Comments

Residual airborne fraction

Hope everyone had a good, and safe, festive season. Towards the end of last year I wrote a couple of posts about the ocean carbonare cycle. I then ended up in a debate about what it would take to stabilise … Continue reading

Posted in Climate change, ClimateBall, Global warming, IPCC, Science | Tagged , , , | 39 Comments