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Climate affects international human conflict and violence

A strong correlation between changes in climate and rates of human violence around the world has been found.

The study data covers all major regions of the world and shows similar patterns of conflict linked to climatic changes, such as increased drought or higher than average annual temperature.

Examples include spikes in domestic violence in India and Australia; increased assaults and murders in the United States and Tanzania; ethnic violence in Europe and South Asia; land invasions in Brazil; police using force in Holland; civil conflicts throughout the tropics; and even the collapse of Mayan and Chinese empires.

The findings could have critical implications for the impact of future climate change on human societies.

Read more at University of California, Berkeley