A growing body of scientific evidence makes plastics increasingly less attractive to "green" consumers. Hormone-altering substances seep from drinking bottles. Great plastic garbage patches swirl in the ocean. And plastic bits have been found to concentrate poisons at levels a million times higher than in the water. Many people don't even know that most plastic is made from petroleum.
But agriculture giants including Archer Daniels Midland and small companies such as Cereplast are baking plastic from corn, soy, potatoes, and tapioca. Start-ups are even exploring pig urine and carbon dioxide to make plastics. Bioplastics could make up … Read more