Use of English

Smart Cities

City planners around the world are (0) LOOKING for ways to make urban life cleaner, safer and more efficient. One idea that has gained popularity is the development of “smart cities”, where technology is used to manage services such as transport, energy and waste. In practice, this often (1) .......... installing sensors that measure traffic flow and air quality. The data is then analysed so that officials can (2) .......... decisions based on real-time information, rather than guesswork. Supporters say this can (3) .......... down pollution by reducing traffic jams and improving public transport. However, smart-city projects are not always easy to (4) .......... off. They can be expensive, and different systems do not always work well together. There are also concerns about privacy, because cameras and apps may (5) .......... up large amounts of personal data. For this reason, many experts argue that clear rules must be (6) .......... in place before new technology is rolled out. Despite these challenges, the trend is likely to (7) .......... on, especially as more people move to cities. If smart solutions are introduced carefully, they could (8) .......... a real difference to everyday life.