The Doomsday Clock is an internationally recognized design that conveys how close we are to destroying our civilization with dangerous technologies of our own making. First and foremost among these are nuclear weapons, but the dangers include climate-changing technologies, emerging... Read More
From the atomic bomb dropped over Japan to nuclear accidents at Three Mile Island, Chernobyl, and the Fukushima Daiichi Nuclear Power Station, there is strong public demand for information on the cancer risks from radiation exposure.
Some risk events, assessed as relatively minor by technical experts, can elicit strong public concerns and result in substantial impacts on society and the economy. This is especially true in cases involving low-level radiation exposure.
As of early 2012, the United States maintained an estimated 2,150 operational warheads. The arsenal is composed of roughly 1,950 strategic warheads deployed on 798 strategic delivery vehicles, as well as nearly 200 nonstrategic warheads deployed in Europe.