Are compostable bio-plastic cups any better for the environment than regular plastic cups?
Not really. When bio-plastic - plastic made from plants not petroleum - first came out, many thought this was the solution to the single use oil-based plastic problem; however, it just creates another set of problems.
Down to basics: the importance of compost.
It's truly scary how much waste we produce. Just watch "The Story of Stuff" to learn more about the underside of our production and consumption patterns. It shows you how "throwing something away" does not mean it disappears.