The Soil Association policy director Peter Melchett expresses concern about glyphosate (Letters, 14 August). What he does not say is that the responsibility for evaluating the safety of pesticides lies with regulatory agencies round the world - not with the International Agency for Research on Cancer (IARC), the organisation he quotes.Regulatory agencies globally conduct thorough risk assessments based on all available information. The conclusions of these risk assessments have been consistent and clear: all labelled uses of glyphosate are safe for human health and the environment.
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