Polluting regions summoned for talks
China Daily, April 14, 2015
http://www.chinadaily.com.cn/china/2015-04/14/content_20427409.htm
Related:
China to surpass U.S. as top cause of modern global warming
Reuters, April 13, 2015
http://www.reuters.com/article/2015/04/13/us-climatechange-china-idUSKBN0N411H20150413