A significant expansion of state, city, and business climate action could reduce US greenhouse gas emissions by up to 37 percent by 2030 over 2005 levels even without federal support, according to projections published Monday. The figures were compiled by America’s Pledge, a group founded in 2017 and financed by billionaire Michael Bloomberg, who last month announced he was running to be the Democratic candidate for the 2020 US presidential election. Climate change experts quoted in the report, from the University of Maryland and the Rocky Mountain Institute, estimate the US is presently set to reduce emissions by 25 percent by 2030 if sub-federal climate ambitions remain at their current levels.
