Beyond the existing Green Lease Toolkit20 and user-centric Green Mark schemes, BCA will step up efforts to encourage the retrofitting of tenanted spaces with energy-efficient fittings, such as light fittings. To enhance current with energy-efficient fittings, such as light fittings. To enhance current efforts to green existing buildings, BCA and Singapore Green Building Council (SGBC) have collaborated to develop the Zero Capital Partnership scheme, which provides a "zero capital solution for building owners to carry out energy efficiency retrofits for buildings. These efforts will contribute to Singapore's aim of making 80 per cent of all buildings green by 2030. Energy-Efficient Data Centres