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supplier code of conduct page4
evaluate risks and conduct appropriate due diligence, risk assessment and, where required, audit your own suppliers, subcontractors and partners with specific regard to business ethics and integrity risks, including human rights and labour rights
but not sure about the percentage
They are working with suppliers to find new ways to produce more food with less water, land, waste and greenhouse gas emissions; also continue to be impressed by supplier ingenuity, from hydronic vertical basil cultivation in Ireland, to regenerative agriculture partnerships in France.