By RAYMOND ZHONG Severe heat killed more than 50,000 people in European cities and towns this summer, according to peer-reviewed estimates released by scientists in London late last week. That is three times as many people as would have died had humankind not warmed the planet by burning oil, gas and coal, the researchers said. Their estimates suggest that this summer’s intense heat was Europe’s deadliest by far this century. The findings, detailed in a pair of studies in the journal Nature…
