Category Archives: Michael Mann

20 years of hockey sticks

Posted on April 22, 2018 by

I wrote this post and then, after a discussion with Kevin Anchukaitis on Twitter, I took it down. I was tempted to not repost it, but thought I’d rewrite bits and have another go. I keep forgetting how controversial this … Continue reading →

Posted in Climate change, ClimateBall, Michael Mann, PAGES 2k, The philosophy of science, The scientific method | Tagged , , , , , , | 162 Comments

Prior knowledge

Posted on September 9, 2017 by

Something I have been bothered about for some time now, is how we best discuss climate change in the context of extreme events. Given the devastation from Hurricanes Harvey and Irma, damaging floods in South Asia and Nigeria, and the … Continue reading →

Posted in Climate change, Global warming, Michael Mann, Research, Science, The philosophy of science, The scientific method | Tagged , , , , , , | 49 Comments

Doomsday scenarios

Posted on July 13, 2017 by

There’s been a bit of a furore over an article called The Uninhabitable Earth by David Wallace-Wells. The goal was clearly to investigate some of the extreme scenarios, but – unfortunately – the article got a number of things wrong … Continue reading →

Posted in Climate change, Global warming, Michael Mann, Policy, Science, Scientists | Tagged , , , | 248 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

Hearing about climate science and the scientific method

Posted on March 31, 2017 by

I’ve been travelling and so haven’t really had much chance to keep up with what’s going on. I have, however, finally managed to watch the Congressional Hearing on Climate Science: Assumptions, Policy Implications and the Scientific Method. It was all … Continue reading →

Posted in Climate change, Climate sensitivity, ClimateBall, Global warming, Judith Curry, Michael Mann, The philosophy of science, The scientific method, Uncategorized | Tagged , , , , , , , | 84 Comments

Another hockey stick

Posted on February 26, 2016 by

Realclimate has already covered this, so I won’t say much, but there is a recent paper (Kopp et al. 2016) that does a sea level reconstruction for the past almost 3000 years. The key figure is below, with the red … Continue reading →

Posted in Climate change, Climate sensitivity, ClimateBall, Global warming, Michael Mann, Science | Tagged , , , , | 24 Comments

Climateball(TM): re-energised

Posted on October 27, 2015 by

Apart from writing some blog posts here (and thanks to MT and others, I’ve had to write fewer than normal) I’ve largely been staying out of the whole online climate debate; ignoring the ClimateballTM mantra that the only losing move … Continue reading →

Posted in Climate change, ClimateBall, Global warming, Michael Mann, Science | Tagged , , , , | 67 Comments