www.environmentaldefense.org/documen ts/ 3 www.environment-agency.gov.uk/ yourenv/eff/1190084/business_industry /agri 4 www.co-operative.coop/food/ethics/ foodquality/ 5 www.eco-label.com/default.htm 6 www.ospar.org/eng/html/welcome.html 7 States that, if an action or policy might cause severe or irreversible harm to the public, in the absence of a scientific consensus that harm would not ensue, the burden of proof falls on those who would advocate taking the action.