For subscribers
S'pore's water challenge: More on tap at lower carbon costs
From solar farms to carbon capture, PUB is looking at all ways and means to meet rising demand for water while keeping down carbon emissions.
Sign up now: Get ST's newsletters delivered to your inbox

Singapore’s small size limits the amount of solar power that can be generated.
PHOTO: PUB
Asit K. Biswas and Pang Chee Meng
Follow topic:
How "green" is the glass of water you drink?
The question captures in essence the challenge Singapore faces - it needs to ensure long-term water security while keeping a lid on the cost to the environment in terms of carbon emissions.

