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Proc Nutr Soc. 2010 Nov;69(4):582-91. doi: 10.1017/S0029665110002004. Epub 2010 Aug 10.

Does eating local food reduce the environmental impact of food production and enhance consumer health?

Author information

1
School of the Environment, Natural Resources and Geography, Bangor University, Bangor, Gwynedd, North Wales, LL57 2UW, UK. g.ejones@bangor.ac.uk

Abstract

The concept of local food has gained traction in the media, engaged consumers and offered farmers a new marketing tool. Positive claims about the benefits of local food are probably not harmful when made by small-scale producers at the local level; however, greater concern would arise should such claims be echoed in policy circles. This review examines the evidence base supporting claims about the environmental and health benefits of local food. The results do not offer any support for claims that local food is universally superior to non-local food in terms of its impact on the climate or the health of consumers. Indeed several examples are presented that demonstrate that local food can on occasions be inferior to non-local food. The analysis also considers the impact on greenhouse gas emissions of moving the UK towards self-sufficiency. Quantitative evidence is absent on the changes in overall emissions that would occur if the UK switched to self-sufficiency. A qualitative assessment suggests the emissions per item of food would probably be greater under a scenario of self-sufficiency than under the current food system. The review does not identify any generalisable or systematic benefits to the environment or human health that arise from the consumption of local food in preference to non-local food.

PMID:
20696093
DOI:
10.1017/S0029665110002004
[Indexed for MEDLINE]

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