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

Analysis

A North American red squirrel.

Gimme shelter: As world warms, species head for climate refugia

By David Shaw | Analysis, Climate Change

If yes to Saudi Arabia, no to whom?

By Victor Gilinsky, Henry Sokolski | Analysis, Nuclear Energy, Nuclear Risk, Nuclear Weapons

Global HFC scenarios without global controls and with full compliance with the Kigali Amendment. A scenario in which global HFC production is phased out by 2020. Credit: Scientific Assessment of Ozone Depletion:2018, Executive Summary.

Global agreement addressing ozone depletion will also bring large climate benefits

By Durwood J. Zaelke | Analysis, Climate Change

Y-12 National Security Complex in Oak Ridge TN.

Introduction: The wasteful and dangerous worldwide nuclear modernization craze

By John Mecklin | Analysis, Nuclear Risk, Nuclear Weapons

A missile launch. Credit: US Air Force via Wikimedia Commons.

Rebuilding an aging nuclear weapons complex: What should the United States do, and not do? An overview

By Robert Rosner, Lynn Eden | Analysis, Nuclear Risk, Nuclear Weapons

Six words that defined 2018

By Thomas Gaulkin | Analysis, Chemical Weapons, Climate Change, Disruptive Technologies, Nuclear Risk, Nuclear Weapons

Credit: Nogas1974 CC BY-SA 4.0

The year in disruptive technology

By Matt Field | Analysis, Disruptive Technologies

ice-covered red berry

Six memorable climate change pieces from 2018

By Dan Drollette Jr | Analysis, Climate Change, Special Topics

Uncle Pete at the dinner table

Christmas advice: How to deal with climate change denying Uncle Pete

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

An unsettled year in nuclear weapons

By John Mecklin | Analysis, Nuclear Risk, Nuclear Weapons

Ukrainian 'Yani Kapu' tugboat attacked by Russian "Don" patrol boat as seen on a screen of Ukrainian Gyurza-M artillery boat in November 2018.

What can the Kerch Strait incident teach about nuclear declaratory policy?

By Robert J. Goldston | Analysis, Nuclear Risk, Nuclear Weapons

woodcut 1717 great snow Massachusetts

Little Ice Age? No. Big Warming Age? Yes.

By Dana Nuccitelli | Analysis, Climate Change