Sources and Resources for Groundwork: "Universe Bounded"

David Kriebel et al., “The Precautionary Principle in Environmental Science,” Environmental Health Perspectives, vol. 109, number 9, September 2001.

National Research Council, “Understanding Risk” (NRC, 1996).

Poul Harremoes et al., Late Lessons From Early Warnings: The Precautionary Principle 1896-2000 (Copenhagen: European Environment Agency, 2001).

Rachel’s Health and Environment Weekly, various issues.