Category Archives: IPCC

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

Prospects for narrowing ECS bounds

I was just going to briefly mention a new paper by Stevens, Sherwood, Bony and Webb in which they present [p]rospects for narrowing bounds on Earth’s equilibrium climate sensitivity. The basic argument is similar to what has – at times … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, IPCC, Science | Tagged , , , , , | 64 Comments

Matt Ridley’s lecture

I thought I might make some points about Matt Ridley’s recent lecture. There are two general points I want to make. Matt Ridley might have a PhD (DPhil technically) and he might have published some papers in the 1980s, but … Continue reading

Posted in Climate change, Climate sensitivity, ClimateBall, Greenhouse effect, IPCC, Policy, Politics, Science | Tagged , , , , , , , | 132 Comments