1. British Petroleum (BP) BP Statistical Review of World Energy 2015 http://www.bp.com/statisticalreview
2. World Resource Institute (WRI) Climate Analysis Indicators Tool (CAIT) 2 http://cait2.wri.org
3. International Energy Agency (IEA) Redrawing the Energy Climate Map: World Energy Outlook Special Report http://www.worldenergyoutlook.org/energyclimatemap
4. National Development and Reform Commission (NDRC) Enhanced Actions on Climate Change: China's Intended Nationally Determined Contributions http://www4.unfccc.int/Submissions/INDC/Published
5. United Nations Framework Convention on Climate Change (UNFCCC) Initial National Communication on Climate Change of China http://unfccc.int/resource/docs/natc/chnnc1e.pdf