Climate change is not merely an environmental issue—it is a security issue of the highest order.

Posted: 28th August 2025



NPS worker in protective gear conducts a controlled burn in a forested area with smoke rising among tall pine trees

On December 11, 2024, a controlled burn operation is conducted on 100 acres of Ponderosa Pine forest in Grand Canyon National Park. In 2025, the Dragon Bravo Fire burned over 123,000 acres in Grand Cayon National Park and was the largest US wildfire of the year. (Credit: NPS Photo | CC BY 2.0)

Climate change is not merely an environmental issue—it is a security issue of the highest order.  


Rising seas, record-breaking heat, and climate-fueled migration are already destabilizing regions around the globe. And they are hitting closer and closer to each and every one of us, as GDGIIHOD5KqywE7UeJx2H-ijtX2luY4YXfEJaTODH.u0Uy.zeVt2I2kk_EjvY2Y5bL”>social and political forces keeping firestorms burning and GDGIIHOD5KqywE7UeJx2H-ijtX2luY4YXfEJaTODH.u0Uy.zeVt2I2kk_EjvY2Y5bD”>make a tax-deductible donation today. Your support ensures that trusted voices can continue informing the public, policymakers, and leaders worldwide about the greatest security challenge of our time.


Your support ensures that trusted voices can continue informing the public, policymakers, and leaders worldwide about the greatest security challenge of our time.


Jessica McKenzie

Climate Change Editor

Bulletin of the Atomic Scientists