Singapore, June 10 -- As temperatures continue to rise and demand for cooling grows, Singapore is accelerating the development of a cooling system as part of its efforts to improve energy efficiency and climate change adaptation. Beneath Punggol, a district in northeastern Singapore, lies a network of underground pipelines stretching approximately five kilometres. The system continuously circulates chilled water to buildings above, providing cooling for offices, schools and residential complexes. The network forms part of a district cooling technology that, while first introduced more than a century ago, is experiencing a resurgence in Singapore. The country has laid pipes beneath at least eight neighbourhoods so far, with the Marina Bay ne...