1. World Energy Investment (OECD/IEA, 2017).
2. World Energy Outlook (OECD/IEA, 2016).
3. Global Trends in Renewable Energy Investment (UNEP, 2016).
4. Global EV Outlook (OECD/IEA, 2017).
5. Paris Agreement Article 2(1)(a) (UNFCCC, 2015);
http://unfccc.int/files/essential_background/convention/application/pdf/english_paris_agreement.pdf