据统计,全球每年新增垃圾100亿吨,仅有毒垃圾就以每年5亿吨的速度递增,其中9成以上源于发达国家。在我国,城市人均年产垃圾440公斤,增长率约10％,全国每年新增垃圾8500多万吨。垃圾已成为影响市容市貌、威胁人们健康、困扰公众生活的一大顽疾。垃圾围城为哪般据有关部门统计,我国城市每年生活垃圾产生量在1亿吨以上。上海市日产垃圾4万吨,10天的垃圾堆起来就像座国际饭店那样大,而一年的垃圾能堆起360幢12层的高层建筑。北京市1996年垃圾产生量为571万吨。2000年将 According to statistics, 100 million tons of new garbage are added every year in the world, and only toxic waste increases at a rate of 500 million tons per year, of which more than 90% comes from developed countries. In China, the per capita annual output of urban garbage is 440 kilograms, and the growth rate is about 10%. The country newly adds more than 85 million tons of garbage every year. Rubbish has become a chronic disease that affects the appearance of the city, threatens people’s health, and afflicts public life. According to relevant statistics, the amount of domestic garbage produced in urban areas in China is more than 100 million tons per year. With a daily output of 40,000 tons of garbage in Shanghai, 10 days of garbage is piled up like an international hotel, and a year’s garbage can pile up 360 12-story high-rise buildings. The amount of garbage produced in Beijing in 1996 was 5.71 million tons. 2000 will