ADB: Asia needs sustainable cities

By GILLIAN WONG, SINGAPORE (AP)

Asian countries need help to build cities that can cope with the region’s “unprecedented” urban expansion of more than 100,000 people a day over the next two decades, the Asian Development Bank said Wednesday.

(…) The study also said that cities needed to better control their waste and improve sewer systems, particularly as deforestation and climate change suggest that cities should plan for more frequent and intense flooding in the future.

Sewers should be constructed where densities are more than 100 persons per 1 hectare (2.47 acre). Alternatively, a sanitation system made up of septic tanks and storm water or drainage systems could be viable, the study suggested.  (…)

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