Policy-makers find "few answers" in UK GM tests

Farm-scale evaluations of genetically modified crops' environmental impact provide mixed results

Results of a UK study on the environmental impact of genetically modified (GM) crops - said to be the biggest of its kind in the world - were published on Thursday, revealing a mixed picture that will make decisions on whether to allow commercialisation of these plants no easier for policy-makers.

The three-year government-sponsored study was conducted at some 60 sites across Britain with three types of herbicide-tolerant GM crops: oilseed rape, beet and maize. It concluded that the first two were more harmful to wildlife than their conventionally farmed equivalents.

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