Reuters

PUTTING IT BACK IN THE BOTTLE

Plutonium is one of the most dangerous materials on earth. Ten pounds are enough to make a crude nuclear weapon; one-thirty-thousandth of an ounce will cause cancer if inhaled. Plutonium's lethality is measured in millennia, not decades or days. Its most prevalent form has a half-life of 24,000 years.

With plutonium, the odds are against humankind. If nation states continue the costly production and use of plutonium, they risk weapons proliferation, environmental devastation and human health damage. These odds should banish plutonium as too dangerous to continue being produced. Building on the international nonproliferation regime

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