PBS News Weekend

Season 12, Episode 39 of 99

A little-known perennial plant called "Kernza" that is similar to wheat offers a host of environmental benefits. Most of the food crops we eat are "annuals," plants that need to be replanted every year, which has a host of environmental consequences. But scientists in Kansas and Minnesota are developing a new perennial grain, similar to wheat, called "Kernza" that may better protect soil and water, and even trap greenhouse gases. Some big food producers are starting to get on board with Kernza, too. NewsHour Weekend's Megan Thompson reports on the latest in our "Future of Food" series with support from the Pulitzer Center.

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