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Published online 25 July 2003 | Nature | doi:10.1038/news030721-11

News

Population boom threatens wildlife

Heads, not footprints, stamp out species.

Sheer numbers of people is the dominant threat to biodiversity, a controversial new model suggests.

From 114 countries' census data of people and wildlife, it predicts that the average nation could have 7% more threatened species by 2020 and 14% more by 2050.

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