Dan Charles

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A federal court has rebuked the Environmental Protection Agency and declared that it is no longer legal to spray one of the country's most widely used herbicides. It's causing turmoil in Midwestern agriculture. NPR's Dan Charles has the story.

A month ago, America's pork farmers were in crisis. About 40 percent of the country's pork plants were shut down because they had become hot spots of coronavirus infection.

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Tyson Foods, one of the biggest meat producers in the U.S., is suspending work at its pork processing plant in Waterloo, Iowa. Officials in Black Hawk County, where the plant is located, say at least 150 people with close connections to the plant have tested positive for the coronavirus, according to Iowa Public Radio.

Several meat processing plants around the U.S. are sitting idle this week because workers have been infected with the coronavirus. Tyson Foods, one of the country's biggest meat processors, says it suspended operations at its pork plant in Columbus Junction, Iowa, after more than two dozen workers got sick with COVID-19. National Beef Packing stopped slaughtering cattle at another Iowa plant, and JBS USA shut down work at a beef plant in Pennsylvania.

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In northeastern Kansas, there's an open-air ecological laboratory called Konza Prairie. Scientists like Ellen Welti go there to study plants, insects, and big animals. "In the spring it has a lot of beautiful flowers, it has bison; everybody should go visit and check it out for themselves," says Welti, who is currently a post-doctoral researcher at the University of Oklahoma.

In this landscape, grasshoppers play a crucial role. They eat the grass; birds eat them.

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