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Monthly Archives: December 2015
2015 blog summary
I realise that I’ve already written a review of 2015, but partly as a result of Willard’s comments, and partly as a result of Stoat’s post, I realised that I hadn’t really summarised the blog activity. So, here it is; … Continue reading
2015 in review
Since I have a few free moments, I thought I would briefly review what’s happened in 2015. If you want something a bit more thorough, you could read Greg Laden’s or Skeptical Science’s reviews. After 2014 was the hottest year … Continue reading
Posted in Climate change, Climate sensitivity, ClimateBall, ENSO, Global warming, Science
Tagged 2015, Andrew Gelman, Doug Keenan, Greg Laden, Review, Skeptical Science, warmest year
62 Comments
Zero emissions
David Roberts has a recent post that I’ve only just noticed called why zero is a better climate target than 2 degrees. The zero refers to net global emissions, not to temperature. The argument is essentially that zero is a … Continue reading
Posted in Climate change, ClimateBall, Global warming, IPCC, Science
Tagged 2C target, COP21, David Roberts, Emissions target, Vox, Zero emissions
74 Comments
Merry Christmas
Posting has been rather light recently, and I expect that to continue for a while. I’m quite enjoying doing other things, but I suspect I’ll be back to posting in the not too distant future. However, since it’s Christmas Eve, … Continue reading
RCPs as scenarios
Fabius Maximus has a guest post on Climate Etc. in which he focuses on RCP8.5. RCP8.5 is a Representative Concentration Pathway (RCP) that leads to a change in forcing of 8.5Wm-2 in 2100. Focusing on this particular RCP seems to … Continue reading
Forcing efficacy
There’s a new paper, discussing climate sensitivity, by Marvel, Schmidt, Miller & Nazarenko called Implications for climate sensitivity from the response to individual forcings. Before I discuss the paper, I should really advertise the lead author’s blog, arguably one of … Continue reading
Pragmatism
It’s been interesting to see the different responses to the Paris agreement. James Hansen calls it a fraud (Richard Erskine thinks he’s wrong). Kevin Anderson is a bit more measured. Others are more positive and optimistic. I find myself sympathysing … Continue reading
Posted in Climate change, ClimateBall, Global warming, IPCC, Science
Tagged COP21, Paris agreement, Warming targets
20 Comments
Consilience of the evidence
I was wanting to briefly highlight a David Roberts post called the two key points that climate “skeptics” miss. I was only going to comment on one of the points, which was about the convergence of all the evidence, typically … Continue reading
1.5C?
I think that the negotiators in Paris are pretty close to reaching an agreement (may have already done so). There’s a draft version here. Maybe the most interesting aspect of the agreement is the paragraph below: Emphasizing with serious concern … Continue reading
Dogma?
I watched some of the Congressional hearing yesterday on Data or dogma? It consisted of evidence from four people who I shall politely describe as contrarians (Judith Curry, John Christy, William Happer, and Mark Steyn) and one person who had … Continue reading