InsideClimate: The first attempt by scientists to assess the role of climate change in the deadly European heat waves of 2003 has attributed about half of the 1,050 deaths in Paris and London that summer to the effects of global warming. Tens of thousands of people, many of them elderly, died in France and other European nations in one of the most notable extreme weather events since the turn of the century. The implication of the study, published Thursday in the journal Environmental Research Letters, is that…