If people bought and consumed more local and more organic produce and if their journeys to and from food shops were made on a bus, by bike or on foot rather than in a car, there would be more than ￡4bn in environmental savings to the British economy.This is the principal claim of a groundbreaking new economic study of the environmental impact of our weekly shop conducted jointly by the University of Essex and City University. The study will be published in the next edition of Elsevier's journal Food Policy.
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