Violence, social chaos increase with rising temperatures, say researchers. Findings from what investigators call “the first comprehensive synthesis” of 60 different studies linking violence to climate change suggest that as global temperatures increase, so will wars, rape, and murder. The new study, conducted by researchers from the University of California, Berkeley, Princeton University, and the National Bureau of Economic Research in Cambridge, Mass., is published in the current issue of the journal Science. According to the paper, the three researchers took what they call a “rigorous approach” to their selection of the studies that formed the basis of their work. They reviewed data from 60 primary studies, representing the efforts of over 190 researchers from around the world, that analyzed 45 different occurrences of violent conflict ranging over a period from about 10,000 BCE to the present. Their analysis revealed a strong historical correlation between societal violence and h...