A West German government study found that prior to 1983 some 34 % of the nation's 7.4 million hectares of forest had died as a result of acid rain, and that industrial regions in the northern and central parts of the United Kingdom were the likely culprits.
在 1983 年前西德政府的調查中，境內 740 萬公頃的森林中，竟有 34 % 受酸雨影響而枯死，禍源則可能來自一水之隔的英國中北部工業區。