‘Never been one.’ Perkovich’s definition of a nuclear threat is literal and rare—if not controversial. He said that, as far ...

Iran and the EU3 agreed to hold talks in Geneva, seeking a possible solution to the nuclear impasse over Iran’s nuclear ...

Last year’s COP saw agreement on specific target areas for adaptation, including water, health, biodiversity, food, ...

Robert F. Kennedy Jr., President-elect Donald Trump's pick for health secretary, is known for his pseudoscientific and ...

Interview with Kia Hamadanchy, senior federal policy counsel at ACLU, about the origins, implications, and future of H.R.

Congress's main concern should be that the nuclear regulator is an effective protector of public safety. It seeks to subdue ...

It took 1000 days for Western allies to let Ukraine use their long-range missiles against Russia. It's probably too little ...

As the smoke fades, attention shouldn’t: Millions of people in the Northeast remain under red-flag wildfire warnings, which ...

The popular image of the Arctic is as a “frozen North,” which it was for all of human history until a couple of centuries ago. In that view, intrepid explorers and scientists clatter over tundra and ...

Policymakers should be more transparent about the limits, context, and actual potential of weather control so that citizens can make informed decisions about how to manage the coming consequences of ...

Justin K. Canfil is an Assistant Professor of Emerging Technologies and International Relations at Carnegie Mellon University and a Stanton Nuclear Security Fellow at the Council on Foreign Relations ...