Opinion

Mohammad Javad Zarif, in 2019

Iran’s impending exit from the NPT: A new nuclear crisis

By Kaveh L. Afrasiabi, Nader Entessar | Nuclear Risk, Opinion

cnn doomsday clock op-ed jerry brown william perry mary robinson ban ki-moon

CNN op-ed: Why the world is closer than ever to Doomsday

By Jerry Brown, William J. Perry, Mary Robinson, Ban Ki-moon | Doomsday Clock, Opinion

American Petroleum Institute ad

Climate journalism and fossil fuel ads: an unholy marriage?

By Dawn Stover | Climate Change, Opinion

Climate scientist: I witnessed Australia on fire. Climate change is already here.

By Michael E. Mann | Climate Change, Opinion

Minuteman III missile in silo

Why the new US ICBMs would be too expensive even if they were free

By Robert J. Goldston | Nuclear Weapons, Opinion

robot made of weapons dissolves into doves

Death of efforts to regulate autonomous weapons has been greatly exaggerated

By Neil C. Renic | Opinion, Technology and Security

Andrew Yang

Fact-check: Five claims about thorium made by Andrew Yang

By John Krzyzaniak, Nicholas R. Brown | Nuclear Energy, Opinion

smokestack and gas plant emissions, surreal sky

Fossil fuel companies claim they’re helping fight climate change. The reality is different.

By Kathy Mulvey, Myles Allen, Peter C. Frumhoff | Climate Change, Opinion

sunrise over clouds

Geoengineering is no climate fix. But calling it a moral hazard could be counterproductive

By Soheil Shayegh | Climate Change, Disruptive Technologies, Opinion

Doctor examining Marshallese infant

The human cost of nuclear weapons is not only a “feminine” concern

By Lilly Adams | Nuclear Weapons, Opinion

SUV shaming: I care about climate change, so why am I driving an SUV?

By Dawn Stover | Climate Change, Columnists, Opinion

Soldier donning a gas mask.

The Biological Weapons Convention protocol should be revisited

By Lynn C. Klotz | Biosecurity, Opinion