Can sustainable farming save Iowa's precious soil and water?

Iowa is a powerhouse producer of corn and soybeans. But all the industrial farming has come at a cost to the environment. Today, there's a growing number of farmers adopting more sustainable practices in a bid to save Iowa's precious soil and water. NewsHour Weekend Special Correspondent Mark Bittman reports as part of our "Future of Food" series, supported in partnership with the Pulitzer Center.
Aired: 10/12/2019 | 0:12:34
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