兰溪污染30年村民癌病多 各地环保局靠“排污费”吃饭 (Environmental Authorities Rely on Pollution Fees, Allow Cancer Villages to Form)
Radio Free Asia, April 17, 2013
http://www.rfa.org/mandarin/yataibaodao/huanjing/yf-04172013104721.html
China, US Agree to Work Together on Warming, Four Years after Copenhagen Stand-Off
South China Morning Post, April 18, 2013
http://www.scmp.com/news/china/article/1216957/china-us-agree-work-together-warming-four-years-after-copenhagen-stand
China Supplants US As Global Leader in Clean Energy Investment, Says Report
South China Morning Post, April 18, 2013
http://www.scmp.com/news/china/article/1216954/china-supplants-us-global-leader-clean-energy-investment-says-report
