Important background linked in his subsequent tweet: http://www.theguardian.com/environment/2015/may/18/fossil-fuel-companies-getting-10m-a-minute-in-subsidies-

Important background linked in his subsequent tweet: http://www.theguardian.com/environment/2015/may/18/fossil-fuel-companies-getting-10m-a-minute-in-subsidies-says-imf http://www.theguardian.com/environment/2015/may/18/fossil-fu...