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How to Prioritize Climate Change in U.S. National Security

By Kate Guy

From the outset of Joe Biden’s run for the American presidency, he pledged to look at national security with fresh eyes. Evolving systemic threats like climate change, often relegated to the portfolios of environmental experts and science agencies, were repeatedly mentioned in his plans to remake U.S. defense and foreign policy. “Climate change is the existential threat to humanity,” he often reiterated in the closing days of his campaign.

Now, with the first members of President-elect Biden’s national security team announced, it’s clear that he has taken the first steps to make good on these campaign promises. In the past few years, nominees like Blinken, Sullivan, and Haines have each referenced the need for the U.S. to prioritize addressing climate change in its approach to global challenges. And with the creation of a cabinet-level Presidential Climate Envoy, long-time climate security leader John Kerry will sit in every meeting of the National Security Council with his eye trained on climate threats.

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A Very Strong Signal: 5 Key Takeaways on John Kerry’s Climate Envoy Role and Seat on the National Security Council

By John Conger, Francesco Femia and Caitlin Werrell

On Monday, President-Elect Biden announced several members of his national security team.  They included Anthony Blinken as Secretary of State, Alejandro Mayorkas as Secretary of Homeland Security, Avril Haines as Director of National Intelligence, Linda Thomas-Greenfield as United Nations Ambassador, Jake Sullivan as National Security Advisor, and… former Secretary of State John Kerry as the Special Presidential Envoy for Climate. While each of these announcements have positive implications for how climate change is addressed by the national security enterprise, let’s explore five key implications of this last announcement. 

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BRIEFER: Connecting Nuclear and Climate Policy in the Biden Administration

Over the past four years, the Council on Strategic Risks (CSR) has operated a working group to examine the convergence of two of the world’s greatest challenges: nuclear threats and climate change. Whether countries significantly expand reliance on nuclear energy to help address the climate crisis—or whether they pivot away from nuclear energy—either pathway will have a profound impact on future nuclear safety, security, and nonproliferation trends. The strength and contours of international political will to aggressively address the climate crisis will in turn shape nuclear trends. 

Read the briefer here.

VIDEO: Can Climate Change Undermine Nuclear Deterrence?

Some experts are concerned that tensions over water, territory, and other issues may increase nuclear detonation risks in regions like South Asia. An Indian Agni-II intermediate range ballistic missile on a road-mobile launcher, January 26, 2004. Antônio Milena (ABr)

By Natasha E. Bajema, Ph.D.

Maybe. It’s Complicated.

The Council on Strategic Risks (CSR) posed a series of questions about the Arctic region to four leading national security experts with different perspectives in a recent video interview below. Together, their diverse answers may help us to better understand the complex linkages across climate change, Arctic sea melt and new sea routes, prospects for conflict, competition, and cooperation within the global order, and new risks associated with nuclear weapons.

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