From the environmental point of view, each ceramic plate must be used at least 50
times to have less impact than a single use biodegradable plate...
http://sustainability.tufts.edu/wp-content/uploads/LifeCycle...
http://sustainability.tufts.edu/wp-content/uploads/LifeCycle...
I don't get how people do it 365 times a day, but then again I was never much of an eater.