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Nature 444, 978-979 (21 December 2006) | doi:10.1038/444978a; Published online 21 December 2006

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Green activists enlist penguins to save the world

Katie McGoldrick & Emma Marris

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Environmentalists hail 'Happy Feet effect'.

What if threatened species, instead of waiting for extinction, decided to charm humans into saving them? That's the plot of this winter's hit film, Happy Feet, in which emperor penguins score a total moratorium on Antarctic fishing thanks to their winsome tap-dancing routines.