Three decades after the first cold war, we’ve unfortunately entered a new one. There are about 14,000 nuclear weapons, some hundreds of times more powerful than those that obliterated Hiroshima and Nagasaki, and they may be able to create a decade-long nuclear winter that could kill most people on Earth. Yet the superpowers are investing over a trillion dollars making their nuclear arsenals more lethal, which many experts believe increases the risk of nuclear proliferation, nuclear terrorism, and accidental nuclear war – which has almost occurred over a dozen times.

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Nuclear Weapons

Former Defense Secretary William Perry Launches MOOC on Nuclear Risks

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“Today, the danger of some sort of a nuclear catastrophe is…

Podcast: What Is Our Current Nuclear Risk?

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https://soundcloud.com/futureoflife/nuclear-risk-in-the-21st-century Participants:…

Success for Cluster Munitions Divestment

"Great news!" said Don't Bank on the Bomb's Susi Snyder in a…

Podcast: Could an Earthquake Destroy Humanity?

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Earthquakes as Existential Risks Earthquakes are not typically…

Op-ed: When NATO Countries Were U.S. Nuclear Targets

Sixty years ago, the U.S. had over 60 nuclear weapons aimed at…

U.S. Conference of Mayors Supports Cambridge Nuclear Divestment

The U.S. Conference of Mayors (USCM) unanimously adopted a resolution…

Existential Risks Are More Likely to Kill You Than Terrorism

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People tend to worry about the wrong things. According to a…

Top Scientists Call for Obama to Take Nuclear Missiles off Hair-Trigger Alert

The following post was written by Lisbeth Gronlund, co-director…

The Collective Intelligence of Women Could Save the World

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Neil deGrasse Tyson was once asked about his thoughts on the…

How Could a Failed Computer Chip Lead to Nuclear War?

The US early warning system is on watch 24/7, looking for signs…

Nuclear Weapons Are Scary — But We Can Do Something About Them

We're ending our Huffington Post nuclear security series…

A Call for Russia and the U.S. to Cooperate in Protecting Against Nuclear Terrorism

The following post was written by Former Secretary of Defense…

What President Obama Should Say When He Goes to Hiroshima

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The following post was written by David Wright and Lisbeth…

Passing the Nuclear Baton

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The following post was written by Joe Cirincione, President…

Climate Change for the Impatient: A Nuclear Mini Ice Age

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Everyone has heard about climate change caused by fossil…

Science, Religion, and Obama’s Mixed Legacy on Nuclear Weapons

In April 2009 in Prague, President Obama highlighted the continuing…

The Nuclear Terror Threat and Funding Mismatch

The following article, written by Erica Fein, was originally…

Cambridge Divests $1 Billion From Nukes Following Grassroots Campaign

“Didn’t the threat of nuclear holocaust end with the cold…