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Nature 435, 7 (5 May 2005) | doi:10.1038/435007a; Published online 4 May 2005

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Hikes in surface ozone could suffocate crops

Jim Giles

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Photosynthesis threatened by rising air pollution.

If farmers don't adapt, changing environmental conditions could damage food production. That's the disturbing message from the first open-air simulations of Earth's climate in 2050, which suggest that negative effects of increasing surface ozone will outweigh any benefits triggered by warming.