‘Our Final Hour’: Global Warning

May 19, 2003 | Source: New York Times

In his new book, Martin Rees, Britain’s Astronomer Royal, gives civilization as we know it only a 50-50 chance of surviving the 21st century.

Risks include bioterror or bioerror, self-reproducing nanoparticles that could eat us and every other living thing on Earth, and certain physics experiments that might be even more catastrophic.