Organic Consumers Association
OCA is a clearinghouse for information on food safety, organic farming and sustainable agricultural practices.

National Organic Program
NOP is the segment of the USDA that will oversee organic certification and labeling. The complete federal rule and fact sheets are available on the Web site.

Environmental Working Group
EWG publishes important research and analysis of pesticide residues and related issues.

Rodale Institute
The institute conducts organic agriculture research and helps educate farmers and consumers about organics.