Please visit http://www.ucsusa.org/ucs/about/1992-wo ... anity.html to read the the full statement of World Scientists' Warning to HumanityScientist Statement
World Scientists' Warning to Humanity (1992)
Some 1,700 of the world's leading scientists, including the majority of Nobel laureates in the sciences, issued this appeal in November 1992. The World Scientists' Warning to Humanity was written and spearheaded by the late Henry Kendall, former chair of UCS's board of directors.
Union of Concerned Scientists
Moderator: Moderators
Union of Concerned Scientists
It looks like Tom Chalko (as a scientist) is not alone in his warning about the environment.