1988年美国被回收利用的废旧塑料大约为45,000吨,约为塑料总消耗量的3%。到1998年将增长到2200000吨,大约为总消耗量的8%。1988年全世界被回收利用的废旧塑料为900000吨,占总耗量的2%,到1998年将增长到4300000吨。美国废旧塑料的再生利用,将达到16%的年增长率。这一数据出自于纽约 R·M·库撒尔夫 In 1988, about 45,000 tons of used plastics were recycled in the United States, which is about 3% of the total plastic consumption. By 1998 it will have grown to 2.2 million tons, about 8% of total consumption. In 1988, 900,000 tons of waste plastics were recycled throughout the world, which accounted for 2% of total consumption. By 1998, it would have grown to 4.3 million tons. The recycling of used plastics in the United States will reach an annual growth rate of 16%. This data comes from New York R.M. Kusharf