A Haitian woman holds cherries from a coffee tree. Haiti's coffee trade was once a flourishing industry, but it has been crippled by decades of deforestation, political chaos and now, climate change.
Patrick Farrell /MCT /Landov
Corn farmer Jerry McCulley sprays the weedkiller glyphosate across his cornfield in Auburn, Ill., in 2010. An increasing number of weeds have now evolved resistance to the chemical.
Pine nuts aren't farmed; they're harvested from forests. The nuts are hidden inside the cones of certain species of pine, such as this pinyon in Utah's Fishlake National Forest.
The rendering industry likes to call itself the world's oldest recycling system. Nearly 100 percent of processed pigs will eventually get used — as meat and in uses as varied as medicine and pet food.
The Maiden Blush, Chenango Strawberry and Duchess of Oldenburg are heirloom apples found in old orchards across Colorado, which was once a major apple-producing state.
Adalyn Schuenemeyer /Montezuma Orchard Restoration Project