联合国周二在一份概述建筑行业可以采取的关键步骤的报告中表示，到2050年，建筑行业可以实现净零排放，积极采取行动推进建筑环境脱碳至关重要。
英文原文如下：
UN sets out “critical” steps to put building sector on course for net zero
Net zero is achievable in the construction sector by 2050, and moving aggressively to decarbonise the built environment is critical, the UN said Tuesday in a report outlining key steps that the sector can take.
