Climate negotiators, listen up: A warmer world is a more violent world - each degree increase in Celsius (or 1.8 degrees Fahrenheit) is linked to a nearly six percent average increase in homicide rates around the globe.

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Climate negotiators, listen up: A warmer world is a more violent world - each degree increase in Celsius (or 1.8 degrees Fahrenheit) is linked to a nearly six percent average increase in homicide rates around the globe.