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2014 News in Brief



How air pollution and climate change impact global food security

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Colette HealdCEE Professor Colette Heald spoke recently about the need to understand how particles and gases in the atmosphere evolve physically and chemically and what effects they have on human health, climate and crops. Climate change and ozone pollution are expected to have a major regional effect by 2050, when climate change could cause a 20-40 percent decrease in maize crop yields, and ozone pollution a similar but lesser impact on wheat crops.