大象传媒

Almost half of America's food is thrown out every year. Despite the popularity of things like local markets and farm-to-fork initiatives, the U.S. food system remains a heavily industrialized, wasteful business.

How can we get the most out of our farmland without harming the planet? I traveled to rural Mexico to learn from indigenous farmers.

In the new documentary "Just Eat It," filmmakers Grant Baldwin and Jenny Rustemeyer swear off grocery shopping for six months and eat only food that would otherwise be thrown out.

So many older women are inheriting farms that some experts believe training them in land conservation may be society's best bet in protecting the food supply.