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China will start shaming the worst-polluting cities by publishing a monthly list in an effort to reduce hazardously high levels of air pollution that have been found to knock off up to five and a half years of life expectancy for residents of northern China.
California Gov. Jerry Brown signed a memorandum of understanding with China's lead international climate negotiator, Xie Zhenhua, in which they pledged to work together on sharing low-carbon strategies and create joint-ventures on clean technologies.