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Singapore's Water Crisis: NEWater Offers Hope
17 Apr
Summary
- Singapore is densely populated and vulnerable to rising sea levels.
- NEWater recycles wastewater to meet future water demands.
- Water demand is expected to nearly double by 2065.
Singapore, a densely populated island nation, is actively addressing potential water scarcity. With a significant portion of its landmass lying close to sea level, the country is vulnerable to rising sea levels and faces increasing water demand, projected to nearly double by 2065.
Since 2003, Singapore has invested in NEWater, a program that recycles and purifies wastewater to high standards. This treated water is integrated into reservoirs, with the long-term goal of public acceptance for drinking.
The government anticipates NEWater will supply up to 55% of the nation's water needs by 2060. Complementary strategies include intensified rainwater harvesting over the past 15 years and ongoing desalination experiments.
Researchers are developing advanced membranes mimicking mangrove root capabilities to improve desalination efficiency and reduce energy use. Despite these efforts, Singapore's reliance on water imports, particularly from Malaysia until 2061, remains a critical factor.
