The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Opinion

Wildfires and climate change

By Richard C. J. Somerville | Climate Change, Opinion

Mandy Gunasekara, who founded a nonprofit to tout the Trump administration’s environmental gains, spoke to environmental journalists in Fort Collins, Colorado, on October 11. Credit: SEJ

Declining US greenhouse gas emissions: a Republican fairy tale

By Dawn Stover | Climate Change, Columnists, Opinion

Donald Trump meets Kim Jong-un at the Korean Demilitarized Zone

Don’t be surprised when South Korea wants nuclear weapons

By Byong-Chul Lee | Nuclear Weapons, Opinion

US Open Skies aircraft approaches a refueling aircraft

The Open Skies Treaty may be the next victim in a spiraling arms control extinction

By Lawrence J. Korb | Nuclear Risk, Opinion

John Kerry at 2015 NPT Review Conference

No, it is not time to ditch the NPT

By Adam M. Scheinman | Nuclear Weapons, Opinion

The dark side of our drone future

By James Rogers | Disruptive Technologies, Opinion, Technology and Security

A SBIRS Geo satellite

“Big, fat, juicy targets”— the problem with existing early-warning satellites. And a solution.

By Jaganath Sankaran | Nuclear Risk, Opinion

A modest proposal: Nationalize Greyhound

By Joel M. Batterman | Climate Change, Opinion

The condensation trails (contrails) of an Airbus A340 jet over London. Credit: Adrian Pingstone

Just how bad is my air travel for the climate? And what should I do?

By Navin Ramankutty, Elena Bennett, Lior Silberman | Climate Change, Opinion

NASA kilopower moon render

Do we need highly enriched uranium in space (again)?

By Christopher Fichtlscherer | Nuclear Risk, Opinion

We need a Green New Deal for nuclear weapons

By Matt Korda | Climate Change, Nuclear Risk, Nuclear Weapons, Opinion

Is it time to ditch the NPT?

By Joelien Pretorius, Tom Sauer | Nuclear Weapons, Opinion