1. Boyd R, Cranston-Turner J, Ward B (2015) Intended nationally determined contributions: what are the implications for greenhouse gas emissions in 2030? ESRC Centre for climate change economics and policy and Grantham research institute on climate change and the environment. UK, London, p. 18
2. CAT (2015) Climate action tracker, http://climateactiontracker.org/
3. Climate Interactive (2015) Climate scoreboard. US, Climate Interactive
4. den Elzen MGJ, Fekete H, Admiraal A, et al. (2015) Enhanced policy scenarios for major emitting countries. Analysis of current and planned climate policies, and selected enhanced mitigation measure. PBL Netherlands Environmental Assessment Agency, Bilthoven
5. den Elzen MGJ, Fekete H, Höhne N, et al. (2016) Greenhouse gas emissions from current and enhanced policies of China until 2030: can emissions peak before 2030? Energ Policy 89:224–236