Letters: On farm emissions, meat works, air quality, and Auckland’s mayor

Agricultural emissions mainly come through methane – burped out by ruminant livestock like cattle, sheep and deer – but also from nitrous oxide, via sources like fertiliser and urine. Selling doubt and fearOwen Jennings (NZ Herald, October 13) amplifies the real-life uncertainties of difficult policy into catatonic confusion and points to some vague “international research” …

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