Category Archives: Greenhouse effect

Flight free talk

I gave my first ever public climate science talk at a Flight Free event in Edinburgh. If you’re interested in seeing my talk slides, you can download them here. The idea behind Flight Free is to encourage people to pledge … Continue reading

Posted in Carbon tax, Climate change, Greenhouse effect, Personal, Scientists | Tagged , , , , | 141 Comments

A little knowledge

There is apparently a paper from a couple of years ago that is currently doing the rounds and that argues that the Molar Mass Version of the Ideal Gas Law Points to a Very Low Climate Sensitivity. The suggestion is … Continue reading

Posted in Climate sensitivity, Greenhouse effect, Pseudoscience, Science, The scientific method | Tagged , , , , , | 26 Comments

Models are failed hypotheses!

John Christy has written a report for the Global Warming Policy Foundation called climate models have been predicting too much warming. The basic conclusion of the report is that climate models predict far more warming in the tropical troposphere than … Continue reading

Posted in Climate change, Climate sensitivity, ClimateBall, Global warming, Greenhouse effect | Tagged , , , , , , , , | 60 Comments

2017: A year in review

I’ve now been writing this blog for almost 5 years and I still don’t quite know what I’m trying to achieve, if anything. Hopefully a blog that presents a reasonable representation of our current understanding of climate science, while also … Continue reading

Posted in Climate change, ClimateBall, Global warming, Greenhouse effect, Personal, physicists, Pseudoscience, Roger Pielke Jr | Tagged , , , , , , , , , , | 30 Comments

Arguing about the greenhouse effect – again

There’s been a rather lengthy Twitter thread about the greenhouse effect. In particular, focusing on claims that there is no such thing. Of course, engaging in such discussions so as to actually change anyone’s minds is pointless. However, I think … Continue reading

Posted in Climate change, ClimateBall, Greenhouse effect, Science | Tagged , , , | 76 Comments

Machine unlearning

Someone sent me a paper by John Abbot and Jennifer Marohasy called the application of machine learning for evaluating anthropogenic versus natural climate change. Their conclusion is that most of the observed warming could be natural and that the Equilibrium … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, Greenhouse effect, Research, Science | Tagged , , , , | 185 Comments

No, pressure alone does not define surface temperatures!

Eli’s already covered this but I thought I would present a slightly different argument. The topic is a recent paper by Ned Nikolov and Karl Zeller called new insights on the physical nature of the atmospheric greenhouse effect deduced from … Continue reading

Posted in Climate change, Greenhouse effect, Research, Science | Tagged , , , , | 134 Comments