Roadside tea sellers in India serve tea in disposable earthenware cups. The cups are unglazed and lightly fired, so they rapidly disintegrate back into dirt. Di

Roadside tea sellers in India serve tea in disposable earthenware cups. The cups are unglazed and lightly fired, so they rapidly disintegrate back into dirt. Disposable plastic cups have only recently started to displace the traditional earthenware cups. http://news.bbc.co.uk/1/hi/programmes/from_our_own_correspondent/9385244.stm http://news.bbc.co.uk/1/hi/programmes/from_our_own_correspon...