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It has been another year of many disputes in the perennially controversial area of genetically modified (GM) crops.

In this article, Peter Aldous looks back at some of these controversies — from the contested finding that transgenic maize is growing in Mexico, to Zambia's refusal to accept donations of GM food aid.

Other countries have emerged as proponents of GM over the past year. India, for example, approved commercial planting of GM cotton in March. But doubts remain about the ability of the developing world to monitor policies on GM agriculture.

Link to Nature feature article

Reference: Nature 420, 730 (2002)

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