Andrew Simms is an author, political economist and campaigner. He is co-director of the New Weather Institute, coordinator of the Rapid Transition Alliance, assistant director of Scientists for Global Responsibility, a research associate at the University of Sussex, and was policy director for many years at the New Economics Foundation. He was a co-author and publisher of the original Green New Deal in 2008, devised ‘Earth Overshoot Day,’ and, with Prof Peter Newell, proposed the Fossil Fuel Non Proliferation Treaty. New Scientist magazine called him a 'master at joined up progressive thinking’. His books include Cancel the Apocalypse, Ecological Debt, The New Economics, Tescopoly, Do Good Lives Have to Cost the Earth? and Economics: A Crash Course, a beginners guide from a plural, new economics’ perspective. His other current campaigns include Badvertising – to stop adverts fuelling the climate emergency, and Car Free Mega Cities. He tweets from @andrewsimms_uk