Tag Archives: Negative emissions

Some thoughts about net-zero

There’s been a reasonable vigorous, but pleasant, debate on Twitter about “net-zero”. It was largely motivated by a Conversation article by James Dyke, Robert Watson, and Wolfgang Knorr called Climate scientists: concept of net zero is a dangerous trap. The basic … Continue reading

Posted in Climate change, Environmental change, Policy, Research, Scientists | Tagged , , , , , , | 15 Comments

Rethinking climate policy

Roger Pielke Jr has been promoting his new paper in Issues in Science and Technology. The paper is called opening up the climate policy envelope and Roger has been suggesting that people should read it. I’ve read it a couple … Continue reading

Posted in advocacy, Carbon tax, IPCC, Policy, Roger Pielke Jr | Tagged , , , , | 290 Comments

Carbon Dioxide Removal

There’s a bit of a debate going on a about economics and ethics, mostly on MT’s blog, but also on Stoat, and a little bit here. I have to be honest, I’m not entirely sure what people are actually disagreeing … Continue reading

Posted in Climate change, ClimateBall, Global warming, Policy, Politics | Tagged , , , , , , , | 77 Comments

Kevin Anderson: how numbers reveal another reality

I’ve finally watched the video of Kevin Anderson’s talk (posted in a comment that I currently can’t find) which was part of the Cambridge Climate Lecture Series. I found it quite uncomfortable. He addressed things that we typically avoid. The … Continue reading

Posted in advocacy, Climate change, Policy, Politics, Research, Scientists | Tagged , , , , , | 121 Comments

Negative emissions

I went to some Departmental talks recently and discovered that some of my colleagues are researchering possible carbon sequestration technologies. This could be very important, but appealing to negative emission technologies is often quite strongly criticised. The basic argument (which … Continue reading

Posted in Climate change, Global warming, Research, Science | Tagged , , , , , , | 34 Comments

Emission reductions, negative emissions, and overshoots

I was wanting to briefly discuss a paper I ran across that looks at What would it take to achieve the Paris temperature targets? The basic idea is to develop emission pathways that depend on three basic parameters; the time … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, IPCC, Science | Tagged , , , , , , | 67 Comments

Misrepresented?

Oliver Geden has suggested that I misrepresented him in my earlier post. Rather than explaining why, he tweeted one his papers and suggested I should read it, rather than base my views on short quotations. Well, I have, and still … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, IPCC, Science | Tagged , , , , , , | 78 Comments