The intersection between climate change and national security is an existential threat to the globe. We need fresh thinking and a renewed push from communities across the United States in making sure leaders understand what is at stake for us and the rest of the world.The intersection of climate, energy, and national security is becoming ever more apparent. Truman’s work in this space brings together conversations and builds policy ideas that explore the multifaceted climate and energy security landscape throughout the United States. It explores issues surrounding climate migration, climate justice, and more.