anne, a good lady friend of mine, contributed large plastic cups for my life anniversary potluck this past weekend. she surprised me with corn cups! corn cups?!? right? corn cups are made from polylactic acid (PLA) and which makes them 100% compostable.
"Polylactic acid (PLA), a plastic substitute made from fermented plant starch (usually corn) is quickly becoming a popular alternative to traditional petroleum-based plastics. As more and more countries and states follow the lead of China, Ireland, South Africa, Uganda and San Francisco in banning plastic grocery bags responsible for so much so-called “white pollution” around the world, PLA is poised to play a big role as a viable, biodegradable replacement." - excerpt from article, "Pros and Cons of the Corn-based Plastic PLA" written by Larry West
In West's article, he points out that there are some problematic issues with using PLA, but it's still a bit better than using regular plastic.
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