World Scientists' Warning to Humanity

In late 1992, the late Henry W. Kendall, a former chair of the Union of Concerned Scientists (UCS) board of directors, wrote "World Scientists' Warning to Humanity", which begins: "Human beings and the natural world are on a collision course." A majority of the Nobel Prize laureates in the sciences signed the document; about 1,700 of the world's leading scientists appended their signature.

World Scientists' Warning to Humanity

In late 1992, the late Henry W. Kendall, a former chair of the Union of Concerned Scientists (UCS) board of directors, wrote "World Scientists' Warning to Humanity", which begins: "Human beings and the natural world are on a collision course." A majority of the Nobel Prize laureates in the sciences signed the document; about 1,700 of the world's leading scientists appended their signature.