Source: http://www.thelancet.com/climate-and-health Climate change underpins all the social and environmental determinants of health but also has positive implications. The Lancet Countdown: Tracking Progress on Health and Climate Change is an international, multi-disciplinary research collaboration between academic institutions following on from the 2015 Lancet Commission on Health and Climate Change, which emphasised that the response to climate change could be “the greatest global health opportunity of the 21st century”. Interesting graph about heatwaves: http://www.thelancet.com/infographics/climate-and-health Bob Wilson