national security
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Why Climate Change Is a National Security Risk
The U.S. Defense Department regards climate change as a “threat multiplier” that exacerbates existing environmental stresses and national security risks, and affects everything it does.
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Preparing for and Responding to Routine “Emergency” Threats to Our Security
The threats to our security are real and require a rational and strategic response. Let’s hope we can produce one.
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Meeting at UN Security Council Discusses Climate Change and Conflict
The council discussed the security implications of the changing climate and debated what the council’s role should be in this issue.
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Disaster Recovery and Reconstruction is a National Security Issue
National security is about protecting the safety and way of life of the American people. It is the single most important responsibility of government. We need to get past dysfunction and treat natural and human made disaster response and recovery as a national security issue.
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The Changing Climate of Security
In the November Democratic presidential primary debate, Sen. Bernie Sanders said that the greatest threat to national security was climate change. But is there actually a link between national security and climate change, and if so, what is it?
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Climate and the Border: Why Rising Temperatures Will Add Immigration Challenges
When experts warn of the consequences of global climate change, they usually cite impacts on natural systems. They tell us that ice caps will melt, sea levels will rise, extreme weather will become more common, droughts will increase in frequency, oceans will become more acidic and so on. In recent years, we have also come…
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Protectionism Against Foreign Investors on Rise
Global Survey Sees New Barriers, Often Connected to National Security
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Climate & Terrorism – Linked?
Dennis Blair is a serious man. A retired, four-star admiral with a legendary knack for water skiing behind his warships, the multi-talented Blair currently serves as the Director of National Intelligence (DNI) under President Obama. This position oversees the 16 national intelligence agencies, coordinating their efforts while informing the policy makers – including the President,…
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Climate Change May Challenge National Security, Classified Report Warns
Sea Level, Water Scarcity, Refugees Might Affect Military, Diplomacy
AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
