Throwing out a pound of boneless beef effectively wastes 24 times more calories than throwing out a pound of vegetables or grains. Egg and dairy products fall somewhere between the two extremes. Morgan Walker/NPR hide caption

itoggle caption Morgan Walker/NPR

The world is increasingly relying on a few dozen megacrops, like wheat and potatoes, for survival. Above, a wheat field in Arkansas. Danny Johnston/AP hide caption

itoggle caption Danny Johnston/AP

Villages in the Lower Shire valley of Malawi, like this one named Jasi, rely heavily on subsistence farming and steady rainfall, and are struggling to produce steady harvests. Jennifer Ludden/NPR hide caption

itoggle caption Jennifer Ludden/NPR

The Brazilian agricultural sector exported for a value of $94,590 million in 2011. One of its largest exports is soybeans, like these in Cascavel, Parana. Werner Rudhart/DPA /Landov hide caption

itoggle caption Werner Rudhart/DPA /Landov

Cropland Capture's developers hope players will find where crops are grown amid Earth's natural vegetation in satellite images to shine a light on where humanity grows its food. Courtesy of the International Institute for Applied Systems Analysis hide caption

itoggle caption Courtesy of the International Institute for Applied Systems Analysis

The recent cuts in federal food benefits may be felt most in rural areas and the grocery stores that serve them. USDA hide caption

itoggle caption USDA

Warren Buffett (left), Howard G. Buffett (center) and grandson Howard W. Buffett collaborated on a book about the challenges of feeding more than 2 billion more mouths by 2050. Scott Eells/Bloomberg/Bloomberg via Getty Images hide caption

itoggle caption Scott Eells/Bloomberg/Bloomberg via Getty Images

MBA students from McGill University in Montreal are building a company to mass produce grasshoppers, seen here at a market in Oaxaca, Mexico. William Neuheisel/Flickr hide caption

itoggle caption William Neuheisel/Flickr

A child eats instant noodles on a train at the Harbin Railway Station in northeast China. Wang Jianwei/Xinhua /Landov hide caption

itoggle caption Wang Jianwei/Xinhua /Landov

Food bank client Jamie Senik takes a break near her garden plot sponsored by the Community Food Bank of Southern Arizona. She grows food for herself and her diabetic mother. Pam Fessler/NPR hide caption

itoggle caption Pam Fessler/NPR

Gordon recommends dusting the deep-fried tarantula spider with smoked paprika. Chugrad McAndrews/Reprinted with permission from The Eat-A-Bug Cookbook hide caption

itoggle caption Chugrad McAndrews/Reprinted with permission from The Eat-A-Bug Cookbook

A customer in the produce section at Metro Foodland, one of the Detroit grocery stores participating in a healthy food incentive program for people with SNAP benefits. The store will add a section of specially marked local produce as part of the program. Courtesy of the Fair Food Network hide caption

itoggle caption Courtesy of the Fair Food Network