When the natural environment is stretched beyond its ability to meet basic human needs for food, clean air, drinkable water and shelter, it is not just a humanitarian concern for the world community. Research shows that these crises are a matter of national security for the U.S. and other countries. The Pentagon and the U.S. intelligence community have long paid close attention to the influence of climate change on national security. Although recent intelligence reports of the Trump administration have omitted any mention of climate change, prior intelligence reports have shown how climate change can generate flash points for global conflict, affect how troops and equipment work, and influence which defense locations are vulnerable. The effects of ecological disruptions on national security get less attention. But they, too, can cause social and political instability, economic strife and strained international relations. Ecological disruptions occur when ecosystems that provide...
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