全球很多农场、工厂以及消费者家里每年都会制造出大量废弃不用的有机废物。在非洲,制造树薯的过程会产生2.28亿吨弃之不用的淀粉;在欧洲,生产咖啡会产生30亿吨废物。在巴西,生产商们制造橙汁时,每年废弃的橙子皮加起来有800万吨。英国约克大学的詹姆斯·克拉克教授研发出了一种从橘皮及废 Every year, many farms, factories and consumers in the world produce large amounts of organic waste that is unused and discarded. In Africa, 228 million tons of unused starch are produced in the process of making tree sweets; and in Europe, 3 billion tons of waste are produced in the production of coffee. In Brazil, when orange juice is manufactured by manufacturers, there are 8 million tons of orange peel discarded each year. Professor James Clarke of York University in the United Kingdom has developed a solution from orange peel and waste