How Climate Change Threatens National Security

This article discusses the links between climate change and national security. Anyone who disregards the threats of climate change “is stupid,” says retired Lieutenant General John G. Castellaw.

How does the U.S. military and intelligence community perceive the threat of climate change? Last week I sat down with retired Lieutenant General John G. Castellaw of the U.S. Marine Corps to explore this and other questions.

Lt. Gen. Castellaw is a member of the Center for Climate & Security Advisory Board and also sits on the board of the American Security Project. Because of his affiliation with these nonpartisan organizations, Castellaw was adamantly tight-lipped on the topic of President Trump dramatically slashing the budget for environmental programs across the country, including ones for which Castellaw himself has voiced support.

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