Challenges of Nanotechnology Misuse Cited in Leslie's 'The End of the World' From the Foresight Institute (which specialises in nanotechnology). http://www.foresight.org/Updates/Update26/Update26.3.html

Let's Save the Future A critical situation, arising due to a rapid development of the natural sciences, creation of powerful means of destruction and the use of ancient, military methods of resolving conflicts, is considered. http://www.savefuture.net

On the Danger of the End of Civilization Essay by Prof. E.A. Abramyan concerning weapons of mass destruction, ecological dangers, and the need to motivate the populace. http://www.abramyan.ru/

Exit Mundi A variety of apocalypses: meteors, black holes, technological disasters, weird physical phenomena, religious writings, robots, and aliens. http://www.xs4all.nl/~mke/exitmundi.htm

Armageddon Online Notes and links on extinction level events, mega-tsunami, super volcano eruptions, nuclear war, World War III, Near Earth Objects, meteors, Nemesis, Nibiru, and the 12th Planet, Planet X. http://armageddononline.tripod.com

TerraMortis News blog covering possible doomsdays due to disease, nuclear mishap, earthquakes, asteroids, global warming, poleshifts, nuclear war and supernovae. http://terramortis.com/

Possible Future Global Catastrophes This survey considers earthquake, pandemic, alien aggression, interplanetary impact, supernova, ice age, nuclear catastrophe, bioterror, and nanotech robot aggression. http://humanknowledge.net/SocialScience/Futurology/Catastrophes.html

WWW Bomb Shelter Virtual "bomb shelter," based on instructions from Soviet Union Cold-War-era pamphlets, offers information on preparing for nuclear attacks, as well as histories and descriptions of various nuclear weapons. http://ycrop.com/bombshelter/

Apocalyptic Dreaming Interactive forum for thoughts, visions, and fears of the apocalpyse. http://www.apocalyptic.org/