Category Archives: IPCC

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 , , , | 38 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

Emission reductions, negative emissions, and overshoots

I was wanting to briefly discuss a paper I ran across that looks at What would it take to achieve the Paris temperature targets? The basic idea is to develop emission pathways that depend on three basic parameters; the time … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, IPCC, Science | Tagged , , , , , , | 66 Comments

97%

Every Friday morning, someone at my Institute gives a short talk, while everyone else drinks coffee and eats doughnuts (well, the doughnuts are actually hidden till the end, so that everyone who wants a doughnut has to stay for the … Continue reading

Posted in Climate change, ClimateBall, Global warming, IPCC, Science, Uncategorized | Tagged , , , , | 139 Comments

Extreme events

I had thought of writing about Hansen’s recent paper, but I’m not really sure what to say about it. I did read some of the reviews – Thorne, Archer, Ruddiman – and, unsurprisingly, there appear to be some valid criticisms. … Continue reading

Posted in Climate change, ClimateBall, Global warming, IPCC | Tagged , , , | 103 Comments