Category Archives: Greenhouse effect

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 , , , , | 65 Comments

Hawking is wrong

I guess the big alarmist news at the moment is that Stephen Hawking has been quoted as saying: Trump’s action could push the Earth over the brink, to become like Venus, with a temperature of two hundred and fifty degrees, … Continue reading

Posted in Climate change, ClimateBall, Global warming, Greenhouse effect, Science | Tagged , , , , , | 64 Comments

What does the Vostok ice core tell us?

Euan Mearns, who runs a blog called Energy Matters, had a post in 2014 about The Vostok ice core: Temperature CO2 and CH4. This post has apparently had 8000 reads, is probably one of the most read texts on the … Continue reading

Posted in Climate change, Climate sensitivity, ClimateBall, Global warming, Greenhouse effect, Pseudoscience, Research, Science | Tagged , , , , , | 73 Comments

Lukewarmers resurgent

I’ve noticed a slight resurgence in those claiming to be lukewarmers and trying to argue that this is some kind of reasonable middle ground. I’ve written about lukewarmers before, but the basic issue with the lukewarmer argument is that they … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, Greenhouse effect, Politics, Science | Tagged , , , , | 660 Comments