Hong Kong’s best-attended and most ambitious business event for sustainable development."ReThink HK is Hong Konga€™s best-attended and most ambitious business event for sustainable development. The 4th edition, which will host 6,000 plus attendees in 2023, has been designed specifically for business leaders, sustainability practitioners, and those responsible for researching and resourcing net-zero and ESG strategies. The two-day conference and expo will demonstrate the business case for a just and sustainable transition, supported by real solutions that will accelerate Hong Kong towards a more sustainable and resilient future.