Plastics made from corn and other plants are carving a tiny niche from the market for conventional petroleum-based plastics and being touted as green alternatives for everything from bulk food containers to lipstick tubes and clothing fiber - as well as gift cards.
So-called "bioplastics" offer the world a way to wean itself off oil, and most biodegrade to varying degrees. But their makers' green argument is complex, and environmentalists are cautious in their support. more
Dennis Bacchetta
Diamond's greenbox initiative
Packaging