Increasing ozone will damage crops
Without global emissions controls, increasing ozone levels associated with fossil fuel combustion will damage agriculture considerably over the coming decades.
If current upward trends in fossil fuel emissions continue, global average ozone levels will rise 50% by 2100. The resulting damage to agriculture could reduce global crop production by at least 10%, according to a study in the November issue of Energy Policy.
Previous studies have evaluated the effects of human-induced climate change and rising CO2 levels on vegetation and have suggested that the changes will prolong growing seasons at higher latitudes and boost photosynthesis in some plant species. John M. Reilly of the Massachusetts Institute of Technology (MIT) and colleagues have now added the concomitant changes in tropospheric (ground-level) ozone to the mix. The team investigated the impacts of all three stressors on crops, pastures, and forests with the MIT Integrated Global Systems Model, which incorporates economic, climate, and agricultural models.[...]
Full Article – Source : ©pubs.acs.org
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