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The potential impact of net zero buildings has also been noted by the ClimateWorks Foundation, Rockefeller Brothers Fund and Blackstone Ranch Institute which have all provided support for the project since its launch. We recognise it is action and not just commitments that will lead us to a world of net zero carbon buildings. Collective efforts to date – just several hundred commercial net zero buildings and several thousand net zero homes and residential units around the world – are a far cry from the millions of buildings we need to be net zero carbon by 2050. And that is why our new report, published this month, sets out for the first time how we can get there.The report outlines how through concerted action by three major influencing parties – businesses, governments, and non-governmental organisations – we can collectively propel the world to 100 per cent net zero carbon buildings.For businesses, whether investors; building developers, owners and managers; or businesses that are building tenants, the ask is clear: invest in, build and occupy net zero buildings. The rationale for action is compelling. Higher return on investment through higher property values for investors, reduced operating costs for developers and owners, and lower tenant turnover through healthier, more productive workers for business tenants. Lendlease’s Barangaroo development in Sydney, Australia, is proof of this concept. Through energy efficiency, and on-site and off-site solar power, it operates at carbon neutral and has strong sales, commands higher rents and has resulted in increased asset value. Governments – both national and ‘sub-national’ (that is regional and city-level) – also have a key role to play. We encourage all national Governments to sign and ratify the Paris Agreement, and for both national and sub-national governments to develop regulations within their powers, including plans, incentives and strategies, that will ultimately ensure that all buildings operate at net zero carbon by 2050. Reducing emissions from all building types continues to be one of the most cost-effective solutions to tackling climate change, and regulation has a direct role to play. It is encouraging that 50 per cent of countries recognise the potential of buildings in their Nationally Determined Contributions (NDCs). But we believe that all, that is 100 per cent of national governments, should include the decarbonisation of buildings Below: The Mineirão, in Belo Horizonte, is the first stadium in Brazil to receive the LEED Platinum seal, one of the highest grades in international sustainability certification114 GREEN BUILDING