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Nature 442, 13 (6 July 2006) | doi:10.1038/442013a; Published online 5 July 2006

Open Innovation Challenges

Should conservation biologists push policies?

Emma Marris

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To advocate or not advocate?

For conservation biologists, it's the question that won't go away. Should they make the leap from describing the facts of a case, to telling people what ought to be done?