Skip to Navigation
Skip to Content
Share this page

Support PSR!

Make a difference in the challenge to confront global warming and prevent nuclear war and the development and use of nuclear weapons.

Donate Now »

Take Action

Tell Governor Brown: Stop the use of oilfield wastewater for irrigation of food crops in California.

Consequences of a Single Failure of Nuclear Deterrence

PSR Senior Scientist Steven Starr, February 2011

Only a single failure of nuclear deterrence is required to start a nuclear war, and the consequences of such a failure would be profound. Peer-reviewed studies predict that less than 1% of the nuclear weapons now deployed in the arsenals of the Nuclear Weapon States, if detonated in urban areas, would immediately kill tens of millions of people, and cause long-term, catastrophic disruptions of the global climate and massive destruction of Earth’s protective ozone layer.

Download

Browse Resources

Action Alerts

More action alertsĀ»

Resources

In the Spotlight

  • August 23, 2016
    Speaking Tour: Heat Advisory
    PSR's Dr. Alan Lockwood will visit 7 states this fall to highlight the health effects of climate change and speak about his new book, Heat Advisory.