redOrbit: From higher crime rates to a greater chance of social upheaval, a new study from researchers at Princeton University and the University of California, Berkeley predicts more violence across the globe will be one of the effects of climate change. Based on an analysis of 12,000 years of historical and climate data culled from 60 different studies in fields ranging from archaeology to political science, the research team concluded an uptick in violence will accompany rising temperatures and lower precipitation...