Category Archives: Uncategorized

Valuing climate damages

The US National Academy of Sciences (NAS) has just released a new report about the social cost of carbon dioxide (SCCO2), described by one economist as ‘the most important number that you’ve never heard of”. The report is the result of many months of work by dozens of experts, and comes in at about 380Continue Reading and comment

A proportionate response to Trump’s climate plans

During the US election campaign, Donald Trump said that he would dismantle the country’s domestic climate change policies, and withdraw the US from international climate agreements, most notably the Paris agreement which came into force earlier this month. In the week since he became President-Elect, he has given every indication that he is serious inContinue Reading and comment

After Paris

A deal on limiting climate change, described by the French Foreign Minister as ‘the most ambitious and balanced possible‘ will be agreed today in Paris. It revolves around voluntary pledges made by over 180 countries to cut their greenhouse gas emissions. These pledges alone, if redeemed, would leave the world facing a likely temperature rise of 3Continue Reading and comment

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 come about? Suppose we were able to wave a magic wand and make all CO2 emissionsContinue Reading and comment

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 expected impact of climate change come from catastrophes we would face if the world turns outContinue Reading and comment