In 2021, the Government announced Hong Kong's Climate Action Plan 2050, setting out the vision of "Zero-carbon Emissions‧Liveable City‧Sustainable Development", and outlining the strategies and targets for combating climate change and achieving carbon neutrality. The Chief Executive announced in the Policy Address that the Hong Kong Special Administrative Region would strive to achieve carbon neutrality before 2050. How can people get excited about it when the concept is fairly technical to understand? Ms Sarah Lee as the promotional ambassador together with Big Waster to advocate a small steps everyday in many different ways of changing your own lifestyle that contributing a step closer to carbon neutrality.