1. IPCC. Climate Change 2014: Synthesis Report. Geneva, Switzerland: Intergovernmental Panel on Climate Change; 2014.
2. Ed Dlugokencky and Pieter Tans, NOAA/(ESRL) 〈www.esrl.noaa.gov/gmd/ccgg/trends/〉 ((Last accessed): 20/09/2015)
3. European Commission. The 2015 international climate change agreement: shaping international climate policy beyond 2020, COM(2013) 167. Brussels, Belgium: European Commission; March 26, 2013.
4. Global Wind Energy Council. Global Wind Report. Annual Market Update 2014. Brussels, Belgium: Global Wind Energy Council; March 2015.
5. REN21. Renewables 2015 Global Status Report. Paris, France: Renewables energy policy network for the 21st century; 2012.