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Hãy tham khảo IELTS Academic Reading 28 để giúp các bạn biết thêm cấu trúc đề thi IELTS như thế nào, rèn luyện kỹ năng giải bài tập và có thêm tư liệu tham khảo chuẩn bị cho kì thi học kì sắp tới đạt điểm tốt hơn. | IELTS Academic Reading 28 You should spend about 20 minutes on Questions 1 14 which are based on Reading Passage 28 below. Cleaning up The Thames The River Thames which was biologically dead as recently as the 1960s is now the cleanest metropolitan river in the world according to the Thames Water Company. The company says that thanks to major investment in better sewage treatment in London and the Thames Valley the river that flows through the United Kingdom capital and the Thames Estuary into the North Sea is cleaner now than it has been for 130 years. The Fisheries Department who are responsible for monitoring fish levels in the River Thames has reported that the river has again become the home to 115 species of fish including sea bass flounder salmon smelt and shad. Recently a porpoise was spotted cavorting in the river near central London. But things were not always so rosy. In the 1950s sewer outflows and industrial effluent had killed the river. It was starved of oxygen and could no longer support aquatic life. Until the early 1970s if you fell into the Thames you would have had to be rushed to hospital to get your stomach pumped. A clean-up operation began in the 1960s. Several Parliamentary Committees and Royal Commissions were set up and over time legislation has been introduced that put the onus on polluters-effluent-producing premises and businesses to dispose of waste responsibly. In 1964 the Greater London Council GLC began work on greatly enlarged sewage works which were completed in 1974. The Thames clean up is not over though. It is still going on and it involves many disparate arms of government and a wide range of non-government stakeholder groups all representing a necessary aspect of the task. In London s case the urban and non-urban London boroughs that flank the river s course each has its own reasons for keeping their river nice. And if their own reasons do not hold out a sufficiently attractive carrot the government also wields a compelling
