Commentary: Climate change in Singapore and what the future brings

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History shows us how hotter and drier years, coupled with greater exposure to flash floods, haze incidents and water shortages, make climate ...

Many Singaporeans who have paid only cursory attention to environmental issues may be surprised by the gravity of this message.Sure, there are the occasional flash floods and yes, we do remember the days when the island was shrouded in haze.

For Singapore, the warming was twice as fast because land heats up more easily than the sea and urbanisation replaced self-cooling vegetation with heat-retaining concrete buildings and bitumen roads. These years witnessed strong El Nino events whereby the central equatorial Pacific Ocean is unusually warm and attract convective clouds and rain away from Southeast Asia, leading to intensified solar heating and drought in this region.

But water supply was not the only challenge we faced that year. We were sitting ducks for the transboundary haze that hit us repeatedly from late August to end October. We learnt as a kid that things expand when heated. The ocean is no exception: Global warming has caused the upper ocean to increase its volume, raising the mean sea level.

As a low-lying island, Singapore is especially vulnerable to the"grave threat" of rising sea levels, Prime Minister Lee Hsien Loong warned. Still, there are open questions about climate change that science has not answered or cannot answer.

Source: Energy Industry News (energyindustrynews.net)

 

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