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Farming pollution

Modern farms produce particulate matter and gases that affect the environment and human health and add to rising atmospheric greenhouse-gas levels. European policymakers have made progress in controlling these emissions, but US regulations remain inadequate.

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Figure 1: Atmospheric emissions, transport, transformation, and deposition of trace gases.


Figure 2: Commercial concentrated animal feeding operations adjacent to agricultural crop land in the US and Europe.



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We acknowledge support from USDA National Research Initiative Competitive Grants Program (Contract 2005-35112-15377), the National Science Foundation (Grant ATM-0528420), the EU-funded NitroEurope Integrated Project and COST Action 729, and the European Science Foundation program Nitrogen in Europe. We thank Elizabeth Stallman Brown for assistance in the preparation of the manuscript. We greatly appreciate the time and interest of the many researchers, scientists, engineers, policy makers, interest groups, and graduate students who shared their knowledge and expertise during the "Workshop on Agricultural Air Quality: State of the Science".

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Aneja, V., Schlesinger, W. & Erisman, J. Farming pollution. Nature Geosci 1, 409–411 (2008).

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