Mirvac’s pledge to be ‘net positive’ by 2030 is unique amongst those property companies considered by the Net Zero Momentum Tracker. The group is Australia’s second-largest office manager and a developer of both commercial and residential properties. Net positive carbon emissions means providing an environmental benefit by eliminating more carbon dioxide than it generates from its operational activities. Renewable energy is a key component of Mirvac’s net positive strategy. They have set up an energy company to install rooftop solar on their commercial buildings and sell power to occupants. Their award winning 8 Chifley office tower development was fitted with a tri-generation (combined cooling, heat and power) plant, which was upsized in order to export excess power to the grid. Mirvac undertook a ‘house with no bills’ pilot project to explore how their upstream indirect emissions can be minimised for residential developments.