Human Extinction Websites

Nonprofit organization dedicated to encouraging scientific advancements to help humanity survive existential risks and possible misuse of increasingly powerful technologies.

by Prof. John Leslie. The first comprehensive survey of potential catastrophes speculated upon by scientists, from comet and asteroid impacts to nuclear or chemical warfare, from ozone layer destruction to overpopulation and poisoning of the environment or the risk of disaster through genetic engineering. Also covers philosophy and ethics. 1996

Paper by Nick Bostrom, analyzing well-known and less well-known extinction risks and related crippling hazards to humanity.

Thoughts on the enormity of the cosmos and the life cycle of civilizations, including our own.

The site author, Alan J Bessant, introduces his thesis and promotes understanding of the Universal Extinction Constant and Extinction Threat Level.

The site intended to prevent the cataclysmic end-of-the-world scenarios caused by advancing technology. Articles, news and media references.