In 50 years time, the projected Singapore population growth to 6.5 million inhabitants would exert its toll on our current resources. One of these resources that are critical to sustain our growth, is our requirement for more energy. Yet, as studies point out that we may have passed the world’s oil peak output, the paradigm shift of fossil fuel dependence to a renewable resource calls for a new exploration of possibilities to empower our nation. To pursue this, we entertained harvesting energy from biological solutions that continually self-regenerate in the form of algae culturing to produce bio-fuel. We begin colonizing our unwanted dead urban spaces- our expressways as cultivation alga-culture grounds. The PIE (Pan-Island Expressway) provides us with limitless supply of CO2 that nourishes these microphytes, while we reap cleaner bio-fuel. This intervention has a theoretical potential to meet our energy demands, [equivalent to 2 Tuas power station’s fuel oil requirement] upon conversion of the algae cultures into bio-fuel. Thus, a series of nerve centres along the highway spine provides opportunistic programmatic functions and are connected to one other above the PIE expressway as alga-farmlands. The first nerve centre, which is explored in this thesis, is intended as a research village to cross-breed native algae species into super alga-strains suitable for mass commercialization. Concurrently, the intervention is also designed to heal the reserve by means of stitching the currently cleaved Central Nature Reserve with Bukit Timah Nature Reserve together, to encourage animal crossings and floral dispersion. This perseverance for greener energy spearheads our city’s metamorphosis from an industrial to an ecological one, simultaneously healing our environment.

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