The # of sources of pollution in #China have increased by > 50% in 8 years, according to prelim. results, reports Guardian's @lilkuo -- who also cited a data analysis by EPIC Director Michael Greenstone showing overall #AirPollution reductions in #China: https://www.theguardian.com/world/2018/mar/31/china-environment-census-reveals-50-rise-in-pollution-sources?mc_cid=6135120072&mc_eid=506f02c4af …pic.twitter.com/ZpKqlEfwO7