Tag Archives: IPCC

2025?

Posted on October 11, 2019 by

One of the demands from Extinction rebellion is that the [g]overnment must act now to halt biodiversity loss and reduce greenhouse gas emissions to net zero by 2025. This has been criticised as being so unrealistic as to potentially damage … Continue reading →

Posted in Climate change, Global warming, Policy, Politics | Tagged , , , , | 48 Comments

We have 12 years

Posted on January 9, 2019 by

Patrick Brown has a recent blog post about whether, or not, the IPCC claims that we have 12 years to avoid catastrophic global warming. As his post highlights, there are a number of problems with this claim. Firstly, the IPCC … Continue reading →

Posted in advocacy, Climate change, Philosophy for Bloggers, Policy, Scientists, The philosophy of science | Tagged , , , , , , | 31 Comments

Toys, pram, out!

Posted on April 9, 2017 by

It seems that Roger Pielke Jr is having a bit of a rant on Twitter about an interview Michael Mann gave about the recent Congressional Hearings. He accuses Michael Mann of lying about him and also suggests that he might … Continue reading →

Posted in Climate change, ClimateBall, Michael Mann, Roger Pielke Jr | Tagged , , , , , , , , | 20 Comments

Catastrophe, hoax, or just “Lukewarm”?

Posted on February 28, 2017 by

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 , , , , , , , , | 120 Comments

Oh no, not again

Posted on February 26, 2017 by

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 , , , , , , , | 69 Comments

Judith Curry confuses laypeople about climate models

Posted on February 21, 2017 by

Judith Curry has written a report for the Global Warming Policy Foundation called Climate Models for the layman. As you can imagine, the key conclusions is that climate models are not fit for the purpose of justifying political policies to … Continue reading →

Posted in Climate sensitivity, ClimateBall, Judith Curry, Science, The scientific method | Tagged , , , , , | 108 Comments

Sensitivity to cumulative emissions

Posted on December 2, 2015 by

Something I’ve mentioned here quite regularly is the idea that warming depends roughly linearly on cumulative (total) emissions. This is slightly counter intuitive, in that warming depends logarithmically on atmospheric CO2 concentration. The reason is essentially that it incorporates climate … Continue reading →

Posted in Climate change, Climate sensitivity, ClimateBall, Global warming, IPCC, Judith Curry, Science | Tagged , , , , , , | 202 Comments