1. The biodiversity of species and their rates of extinction, distribution, and protection.;Pimm;Science,2014
2. Climate change 2007: the physical science basis. Contributions of working group III to the fourth assessment report of the Intergovernmental Panel on Climate Change,2007
3. Borenstein, S. With their mark on Earth, humans may name era, too. AP News. Excite News 14 October 2014 [online] Available: http//apnews.excite.com/article/2041014/us-sci-age-of-humans-961f501908.html (accessed 22 November 2016).
4. The culture of narcissism: American life in an age of diminishing expectations;Lasch,1991
5. Stern review on the economics of climate change;Stern,2006