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Human Crises Linked to Climate Change, Study Suggests

LiveScience: Historically, changes in climate have not only been tied to increased food prices, but also economic crises, social upset and wars, new research suggests. "Climate is the ultimate cause, and economy is the direct cause, of large-scale human crises," study researcher David Zhang, of the University of Hong Kong, told LiveScience in an email. "The issue of environmental change is one that involves our daily life, such as food, health and savings." Zhang has studied the effect of climate change...