Author Archives: ...and Then There's Physics

Political activism

There’s been a rather lengthy Twitter exchange involving Judith Curry, mostly focusing on whether or not Judith is a political activist. Judith appears to be suggesting that what she does is not political activism, or any form of political advocacy, … Continue reading

Posted in advocacy, ClimateBall, Gavin Schmidt, Judith Curry, Policy, Politics | Tagged , , , , | 257 Comments

Merry Christmas, etc

Since it’s now the afternoon of Christmas Eve here, it would seem time to quickly wish everyone a Merry Christmas, or whatever season’s greeting is most suitable. I certainly plan to have a few days relaxing with the family, so … Continue reading

Posted in Personal | Tagged , , | 24 Comments

Galactic cosmic rays

There’s a recent Nature Communications paper by Svensmark et al. called [i]ncreased ionization supports growth of aerosols into cloud condensation nuclei. The basic idea is that cosmic rays (energetic particles typically accelerated by shock waves) can influence the growth of … Continue reading

Posted in Climate change, Climate sensitivity, ClimateBall, Global warming, Science, Sound Science (tm) | Tagged , , , , , , , | 10 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

What if global warming ends up being greater than we thought?

I recently wrote a post about the Brown & Caldeira paper which suggests that climate sensitivity may be on the high side of the range. Rather predictably, Nic Lewis has a guest post on Climate Etc in which he looks … Continue reading

Posted in Climate change, Climate sensitivity, ClimateBall, Global warming, GRRRROWTH, Science | Tagged , , , , , , | 71 Comments

More about Equilibrium Climate Sensitivity

It’s currently the AGU Fall Meeting and there was a session on Climate sensitivity and feedbacks. It included talks by Kate Marvel and Kyle Armour, and I noticed that the Convener, Andrew Dessler, had tweeted This leads to one of … Continue reading

Posted in Climate sensitivity, Global warming, IPCC, Science, The scientific method | Tagged , , , , , , | 33 Comments

Greater future global warming?

Before I go out I wanted to briefly mention a recent paper by Patrick Brown and Ken Caldeira called [g]reater future global warming inferred from Earth’s recent energy budget. Patrick Brown already has a nice blog post about this with … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, Research, Science | Tagged , , , , , , | 70 Comments