1. Introduction NHS Sustainable Healthcare website http://sustainablehealthcare.org.uk
2. Climate Commission Report-Extreme weather and climate change in Australia Today and into the future http://www.igcc.org.au/Resources/Documents/ExtremeWeatherReport_web.pdf
3. National Commitments to Curb Global Warming Natural Resources Defense Council http://www.nrdc.org/international/copenhagenaccords
4. The carbon footprint of an Australian satellite haemodialysis unit;Lim;Aust Health Rev,2013