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
The Hanford Site in southeastern Washington state is widely considered to be the most contaminated place in the Western Hemisphere. From 1944 to 1989, Hanford’s primary mission was to produce plutonium for the United States’ nuclear weapons program.
In this interview, former Los Alamos National Laboratory director Siegfried S. Hecker details one of the world’s great nonproliferation stories—the effort to secure the Semipalatinsk Test Site in Kazakhstan.
In 2009, President Barack Obama announced from Prague’s Hradcany square that “the most immediate and extreme threat to global security” was nuclear weapons in the hands of terrorists, and world leaders listened.