• Implicit climate subsidy exceeds profits at 20 top fossil fuel companies

    A week ago, I published a research paper, along with my colleagues Paul Gilding and Jimena Alvarez. For 20 leading fossil fuel producing firms,  we measured the economic cost to society of the climate change impacts caused by the use of their … Continued

  • Why BP’s 2015 energy outlook is so scary

    Earlier this week, BP published its 2015 Energy Outlook which shows fossil-fuel CO2 emissions growing by 25% by 2035. What do BP’s emission figures imply for the climate change impacts that we would be committed to, if they were to … Continued

  • The US China climate deal – don’t get carried away

    The US and China today announced what has been hailed as a historic deal on greenhouse gas emissions, with China agreeing to cap emissions around 2030 and the US committing to 26 – 28% reductions by 2025. What does this actually mean … Continued

  • Existential risks: climate change and superintelligence

    Nick Bostrom’s new book, Superintelligence, is a fascinating read for anyone interested in existential risks. I imagine that includes most people concerned with climate change. Marty Weitzman’s analysis and my own calculations make it clear that a substantial part of the … Continued

  • A new economic model of climate change?

    Today, Simon Dietz and Nick Stern (D&S) of the LSE released a new working paper. They make a few simple changes to Bill Nordhaus’s DICE model. The most important are that they allow for a range of climate sensitivities, and … Continued

  • Has the treasury omitted £300 million per year of extra climate impacts from its fuel duty reduction calculations?

    Today the Treasury published its analysis of the dynamic effects of fuel duty reductions. The headline message of its analysis is that ‘these reductions in duty will increase GDP by between 0.3 and 0.5% in the long-term’. Apart from a single short … Continued