Category Archives: Research

The ‘hot model’ problem

Zeke Hausfather and colleagues recently wrote a Nature comment with suggestions about how to deal with what is called the ‘hot model’ problem. The issue is that some of the latest group of climate models have somewhat higher than expected … Continue reading

Posted in Climate change, Gavin Schmidt, Global warming, Research, The philosophy of science | Tagged , , , , | 206 Comments

World Atmospheric CO2

Early this year, a journal called Health Physics published a paper on World Atmospheric CO2, Its 14C Specific Activity, Non-fossil Component, Anthropogenic Fossil Component, and Emissions (1750–2018). The paper concluded that Our results show that the percentage of the total … Continue reading

Posted in Climate change, physicists, Research, The scientific method | Tagged , , , , , , | 105 Comments

A coupled climate-social system

I came across an interesting paper by Frances Moore and colleagues that considers [d]eterminants of emissions pathways in the coupled climate–social system. In the context of climate science, models that consider both the climate and society tend to not be … Continue reading

Posted in Climate change, Global warming, Policy, Research | Tagged , , , | 21 Comments

The tragedy of climate change science?

Since my last post was about how scientists failed the pandemic test, I thought I might comment on another paper highlighting the tragedy of climate change science. The basic premise of the article is that society has failed to take … Continue reading

Posted in Carbon tax, Climate change, Research, Scientists, The philosophy of science | Tagged , , , | 128 Comments

Seasons greetings

Just a quick post to wish everyone seasons greetings. For those who celebrate Christmas, I hope you have a really enjoyable, and festive, day tomorrow (or, today, in some parts of the world). For those who have some spare time … Continue reading

Posted in Astronomy, Personal, Research, Uncategorized | Tagged , , , | 14 Comments

Classification of contrarian claims about climate change

The latest controversy in the climate debate is the publication of a paper on [c]omputer-assisted classification of contrarian claims about climate change. The authors are Travis Coan, Constantine Boussalis, John Cook, and Mirjam Nanko. You may recognise John Cook as … Continue reading

Posted in ClimateBall, Philosophy for Bloggers, Research | Tagged , , , , , | 203 Comments

Decoding the Gurus

Since I haven’t had much to write about, I thought I would briefly highlight a podcast that I’ve really enjoyed listening to. It’s called Decoding the Gurus, and is run by Chris Kavanagh, an anthropologist, and Matt Browne, a psychologist. … Continue reading

Posted in Pseudoscience, Research, Science, Scientists | Tagged , , , , , | 11 Comments

It’s not too late

In the run up to COP26, the University of Edinburgh has had a series of conversations with researchers about how to make the world a better place through our actions, activities, innovation, research, teaching and learning. I agreed to be … Continue reading

Posted in Climate change, Global warming, Research, Uncategorized | Tagged , , , , | 19 Comments

The effect of permafrost on the ZEC

I’ve written a number of posts about warming commitments, in particular the zero emission commitment (ZEC). In other words, how much additional warming will there be after emissions get to zero. The answer is that on multi-decadal timescales [the ZEC] … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, Research | Tagged , , , , , | 36 Comments

The Last Glacial Maximum

There’s an interesting paper by Seltzer et al. called [w]idespread six degrees Celsius cooling on land during the Last Glacial Maximum, which I became aware of through a Twitter thread by Werner Aeschbach. The reason it’s interesting is that it … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, Research | Tagged , , , , , | 7 Comments