Genetic modification is one of the great contentious issues of 21st Century science. To some it is a powerful technology that could boost food production and prevent famines; to others it is a dangerously untested science that threatens environmental disaster. The BBC Horizon programme sent Jimmy Doherty - an advocate of sustainable farming - on a personal mission to get at some of the truths on GM.
Apr 14, 2009, 21:13:15
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