1. ICAP. International carbon action partnership; 2015. From .
2. EU Commission. Towards a comprehensive climate change agreement in Copenhagen: Communication from the commission to the European parliament, the council, the European economic and social committee and the committee of the regions, (No. COM (2009) 39/9). Brussels; 2009.
3. Australia Greenhouse Gas Reduction Scheme Administrator. The greenhouse gas reduction scheme; 2012. Retrieved, 2012, from .
4. Australia Parliamentary Secretary for Climate Change and Energy Efficiency; 2014. Retrieved from .
5. California Environmental Protection Agency; 2012. Retrieved from .