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10/05/2019

Topic Reading-Vol.2733-10/5/2019


Dear MEL Topic Readers,
How Singapore is using technology to solve its water shortage
Singapore is a small island and densely populated city-state with a population of 5.6 million. It is a highly developed country and one of the wealthiest nations in the world. Singapore is also the world’s most highly ranked state in education, healthcare, quality of life, personal safety and housing, with a home-ownership rate of 90%. Sounds like a dream place to live in, doesn’t it? But the city-state lacks one of the essentials of daily life. Water. It doesn’t have natural water sources of its own. Therefore, Singapore has built a vigorous, diversified and sustainable water supply from four water sources known as the Four National Taps, Water from Local Catchment, Imported Water mainly from neighboring Malaysia, high-grade reclaimed water known as NEWater, and Desalinated Water. Because of its high-tech nature, new technologies are being developed in Singapore to reclaim as much water as possible. One of such examples is a black sponge called carbon fiber aerogel that cleans wastewater on a massive scale. Another example is a lightweight, simple, portable filtration device that provides clean drinking water.
But what is remarkable in Singapore is water management policies, including legislation and enforcement, water pricing, public education and research and development.
Enjoy reading the article and learn about human ingenuities to cope with the changing environment.

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