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ng hazardous waste: acid rain and energy 管理和處置有害廢棄物,防治酸雨破壞和提高能源利用率 1984 desertification 沙漠化 1985 youth: population and the environment 青年、人口、環(huán)境 1986 a tree for peace 環(huán)境與和平 1987 environment and shelter: more than a roof 環(huán)境與居住 1988 when people put the environment first, development will last 愛(ài)護(hù)環(huán)境、持續(xù)進(jìn)展、公眾參加 1989 global warming。 global warning 警惕全球變暖 1990 children and the environment 兒童與環(huán)境 1991 climate change. need for global partne