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Your feet's too big

Humanity's nitrogen pollution footprint has increased by a factor of six since the 1930s. A global analysis reveals that a quarter of this nitrogen pollution is associated with the production of internationally traded products.

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Figure 1: Pollutants over an agricultural field.



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Correspondence to James N. Galloway or Allison M. Leach.

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Galloway, J., Leach, A. Your feet's too big. Nature Geosci 9, 97–98 (2016).

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