Pentagon Says Warming May Affect Global Security and U.S. Missions

In a report to Congress, the U.S. military for the first time is warning that the effects of climate change may cause or exacerbate future global conflicts and complicate U.S. missions worldwide.

In its regular Quadrennial Defense Review, the Defense Department warns that the effects of a warming world, including increased poverty, hunger and disease, could further weaken fragile governments and perhaps provoke mass migrations.
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