Temasek Foundation and Eco-Business invite startups and ventures worldwide to submit scalable, commercially viable sustainability solutions addressing urban challenges in the tropics, across three tracks: Decarbonisation, Cool Earth (climate resilience and cooling), and Oceans (sustainable blue economy). The top three solutions in each track receive S$1 million in grant funding. Decarbonisation finalists may also receive up to S$2 million in additional development funding from A*STAR, and Oceans finalists may qualify for up to S$500,000 in equity investment from the Asia Ocean Fund. Finalists are showcased at a Grand Finale in Singapore during Ecosperity Week 2027. The deadline is 18 February 2027. Liveability Challenge