1. Mills, L. Global Trends in Clean Energy Investment (Bloomberg New Energy Finance, 2015).
2. United Nations Environment Programme. Aligning the Financial System with Sustainable Development: Pathways to Scale (UNEP, 2015).
3. The Global Commission on the Economy and Climate. The New Climate Economy Report (The Global Commission on the Economy and Climate, 2014).
4. International Energy Agency. Special Report: World Energy Investment Outlook (IEA, 2014).
5. Paulson, H. M. Jr 'The coming climate crash' The New York Times (21 June 2014).