The Salt

The SaltThe Salt

What's On Your Plate

United has purchased 15 million gallons of renewable jet fuel made from beef tallow, or fat, by Alt Air Fuels and plans to use the fuel this year for Los Angeles-to-San Francisco flights. Tony Ruppe/United hide caption

itoggle caption Tony Ruppe/United

In the years before the drought began, Australia carried out a giant reset of its water rights. First, the government put a cap on the total amount of water available for farmers. Then, farmers received shares of that total supply. Martin Benik/Corbis hide caption

itoggle caption Martin Benik/Corbis

Pizza night on the Stoney Acres Farm in Athens, Wis. John Ivanko/Courtesy of Stoney Acres Farm hide caption

itoggle caption John Ivanko/Courtesy of Stoney Acres Farm

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Young pigs stare out of a pen at a hog farm in North Dakota. In coming months, consumers will start to see a new label on some packages of pork: Produced "without the use of ractopamine." Will Kincaid/AP hide caption

itoggle caption Will Kincaid/AP

A clampdown on contamination in growing fields has pushed out wildlife and destroyed habitats. Adam Cole/NPR hide caption

itoggle caption Adam Cole/NPR

Final inspection of frozen blueberries at the Atlantic Blueberry Co. Dan Charles/NPR hide caption

itoggle caption Dan Charles/NPR

Organic farmer Margot McMillen holds a grape leaf damaged by pesticide drift on her farm, Terra Bella Farm, in central Missouri. Kristofor Husted/Harvest Public Media hide caption

itoggle caption Kristofor Husted/Harvest Public Media

Gary Broomell and his daughter, Debbie, pose behind a sign on their ranch in San Diego County. Their family has been growing citrus for generations, but lately, it's been hard staying in the black growing oranges, so they started a vineyard a few years ago. Lesley McClurg/ Capital Public Radio hide caption

itoggle caption Lesley McClurg/ Capital Public Radio

The hard part of making an egg replacement product is coming up with a substitute for the protein in egg whites. Wilson Hui/Flickr hide caption

itoggle caption Wilson Hui/Flickr

Historic yogurt-making cultures held by Mirjana Curic-Bawden. Dan Charles/NPR hide caption

itoggle caption Dan Charles/NPR

Beef carcasses hang in the sales cooler at the JBS beef plant in Greeley, Colo. Stephanie Paige Ogburn/KUNC hide caption

itoggle caption Stephanie Paige Ogburn/KUNC

Farmer Issiaka Ouedraogo walks past cocoa pods growing on a tree, on a cocoa farm outside the village of Fangolo, near Duekoue, Ivory Coast in May 2011. Rebecca Blackwell/AP hide caption

itoggle caption Rebecca Blackwell/AP

"Who Gets Kissed" corn is a variety bred in Wisconsin specifically for organic farmers. It's named for an old game. At corn husking time, a lucky person who found a rare ear of corn with red kernels had the right to kiss anyone that he or she chose. Courtesy of Adrienne Shelton hide caption

itoggle caption Courtesy of Adrienne Shelton

This 55-foot-tall statue of the Jolly Green Giant — the instantly recognizable icon for General Mills' Green Giant line of frozen vegetables — is in Blue Earth, Minn., about 100 miles away from the company's headquarters in Minneapolis. Robin Zebrowski/Flickr hide caption

itoggle caption Robin Zebrowski/Flickr

Pam Marrone (right), founder and CEO of Marrone Bio Innovations, inspects some colonies of microbes. Marrone has spent most of her professional life prospecting for microbial pesticides and bringing them to market. Dan Charles/NPR hide caption

itoggle caption Dan Charles/NPR