Dan Charles

Dan Charles is NPR's food and agriculture correspondent.

Primarily responsible for covering farming and the food industry, Charles focuses on the stories of culture, business, and the science behind what arrives on your dinner plate.

This is his second time working for NPR; from 1993 to 1999, Charles was a technology correspondent at NPR. He returned in 2011.

During his time away from NPR, Charles was an independent writer and radio producer and occasionally filled in at NPR on the Science and National desks, and at Weekend Edition. Over the course of his career Charles has reported on software engineers in India, fertilizer use in China, dengue fever in Peru, alternative medicine in Germany, and efforts to turn around a troubled school in Washington, DC.

In 2009-2010, he taught journalism in Ukraine through the Fulbright program. He has been guest researcher at the Institute for Peace Research and Security Policy at the University of Hamburg, Germany, and a Knight Science Journalism fellow at the Massachusetts Institute of Technology.

From 1990 to 1993, Charles was a U.S. correspondent for New Scientist, a major British science magazine.

The author of two books, Charles wrote Master Mind: The Rise and Fall of Fritz Haber, The Nobel Laureate Who Launched the Age of Chemical Warfare (Ecco, 2005) and Lords of the Harvest: Biotech, Big Money, and the Future of Food (Perseus, 2001) about the making of genetically engineered crops.

Charles graduated magna cum laude from American University with a degree in economics and international affairs. After graduation Charles spent a year studying in Bonn, which was then part of West Germany, through the German Academic Exchange Service.

Jane Polston and I are walking over to some greenhouses at the University of Florida, where she's a professor. She wants to show me how viruses infect plants, which has been the focus of her professional life ever since she first learned about plant viruses, back in college.

"I just fell in love," she says.

"With viruses?" I ask.

"Yeah. Isn't that weird? That's what scientists do. They say, 'Oh, my God, I'm in love with this!' "

For months, farmers from Mississippi to Minnesota have been waiting for the Environmental Protection Agency to make up its mind about a controversial weedkiller called dicamba.

After years of insisting that it wasn't economically feasible, the world's biggest hog producer has bowed to public pressure and agreed to change the way it handles manure on more than 1,000 farms it controls in the U.S.

Smithfield Foods is promising to cover the manure ponds with a layer of plastic.

Climate change is coming like a freight train, or a rising tide. And our food, so dependent on rain and suitable temperatures, sits right in its path.

The plants that nourish us won't disappear entirely. But they may have to move to higher and cooler latitudes, or farther up a mountainside. Some places may find it harder to grow anything at all, because there's not enough water.

Here are five foods, and food-growing places, that will see the impact.

Wheat

You probably don't think of cotton as food.

There's a good reason for that. Farmers grow it mostly for the fluffy white fibers that turn into T-shirts or sheets. Cotton plants do produce seeds, but those seeds are poisonous, at least to humans.

This week, though,the U.S. Department of Agriculture approved a new kind of cotton — one that's been genetically engineered so that the seeds are safe to eat.

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Farmers across the southeastern part of North Carolina are just starting to report details about the hit they've taken from Hurricane Florence. The rain is over, but rivers still are rising, and the full picture of damage to farms and the surrounding environment probably won't be known for weeks.

Just inland from the North Carolina coast, right in the path of Hurricane Florence, there's an area where there are many more pigs than people. Each big hog farm has one or more open-air "lagoons" filled with manure, and some could be vulnerable to flooding if the hurricane brings as much rain as feared.

The Sahara desert is expanding, and has been for at least a century. It's a phenomenon that seems impossible to stop.

But it hasn't stopped at least one group of scientists from dreaming of a way to do it. And their proposed solution, a grand scheme that involves covering vast areas of desert with solar panels and windmills, just got published in the prestigious journal Science.

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