ScienceDaily: Scientists have specified how many deaths can be attributed to human-made climate change during an extreme heatwave in two European cities in 2003. They calculate that in Paris, the hottest city in Europe during the heatwave in summer 2003, 506 out of 735 summer deaths recorded in the French capital were due to a heatwave made worse by human-made climate change. The impact of climate change was less severe in London, with an additional 64 deaths out of a total of 315 heat-related deaths, says the...