Climate change could spark cholera return: water expert

CBC: An increase in extreme rainstorms brought on by climate change could set the stage for a return of cholera to North America, according to a world-renowned water scientist. Cholera used to occur in Montreal, Boston and New York, but the advent of water purification wiped it out by 1900. However, the erratic weather of the 21st century worries Rita Colwell, a professor on water-related public health issues at the University of Maryland and Johns Hopkins University. "Perhaps if we have a breakdown......

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