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Climate change and nutrient deficiencies 

Monday, August 27, 2018 - 12:00am

2018_0827_08.mp3

Host Marco Werman speaks to Harvard scientist Sam Myers, who published a study on Monday estimating that hundreds of millions of people could be at risk of deficiencies in iron, zinc and protein in the decades to come. That's because high atmospheric CO2 levels have been found to drive down levels of these nutrients in staple crops around the world.