NDR 2019: Protecting Singapore from rising sea levels in the long-term could cost at least $100B

SINGAPORE — The long-term costs of protecting Singapore from the effects of rising sea levels could cost more than $100 billion over the next 50-100 years, warned Prime Minister Lee Hsien Loong in his annual National Day Rally speech on Sunday .

He added, “With the SAF, we hope never to go to war. But with climate change, we know for sure sea levels will rise.” “Not only will property values be affected, but safety and liveability. And it will affect not only these particular areas, but the whole city,” said Lee, noting that the areas include hospitals, schools and workplaces. This means coastal defences are needed to protect entire areas.Lee revealed that the authorities have studied the Republic’s coastline at length, and divided it into different segments, with some more vulnerable than others.

He added that when sea levels rise, a second pump house will need to be built on the opposite end of the Barrage. “PUB has planned for this.” The authorities are already building a small polder at Pulau Tekong, in order to gain experience of operating one. This will eventually enable them to build polders and dykes along the eastern coastline, said Lee. “Polders are a serious option for us... to protect our eastern coastline. They will not only protect existing low-lying areas, but at the same time let us reclaim new land from the sea.”

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