The philosophical roots of environmentalism can be traced back to enlightenment thinkers such as Rousseau in France and, later, the author and naturalist Thoreau in America.
==Zunanje povezave==* U.S. Nuclear Regulatory Commission, Factsheet on Dirty Bombs* Al Qaeda's Nuclear Options - Crusade Media News - http://www.crusade-media.com/news1.html* Council on Foreign Relations, Terrorism Q&A: Dirty Bombs* U.S. Dep't of Labor Occupational Safety & Health Administration, Radiological Dispersal Devices / Dirty Bombs* American Institute of Physics, "Dirty Bombs" Much More Likely to Create Fear than Cause Cancer* Federation of American Scientists, Dirty bomb threat analysis* Health Physics Society, Factsheet* Health Physics Society, January 2004 study, Dirty Bombs Could Cause Devastating Economic Damage* CNN, Explosion, not radiation, "dirty bomb's" worst fallout* PBS, NOVA, Dirty Bomb [http://www.pbs.org/wgbh/nova/dirtybomb/] This Web site was produced for PBS Online by WGBH.Web site © 1996-2003 WGBH Educational Foundation*Lost and stolen nuclear materials in the US Three Mile Island Alert describes the problem* The Power of Nightmares [http://web.archive.org/web/20060906040840/http://cryptome.org/terror-myth.htm]* Annotated bibliography for dirty bombs from the Alsos Digital Library for Nuclear Issues