Despite an increase in energy efficiency investment and lower energy intensity, the building and construction sector’s energy consumption and CO2 emissions have rebounded from the COVID-19 pandemic to an all-time high, a new report finds.
This, according to the report from the Global Alliance for Buildings and Construction , means that the gap between the climate performance of the sector and the 2050 decarbonization pathway is widening. Decarbonizing the buildings sector by 2050 is critical to delivering these cuts. To reduce overall emissions, the sector must improve building energy performance, decrease building materials’ carbon footprint, multiply policy commitments alongside action and increase investment in energy efficiency.The sector’s emissions intensity in kilogrammes of CO2 per square metre dropped from 43 in 2015 to 40 in 2021.
The report says that investments in energy efficiency must be sustained in the face of growing crises – such as the war in Ukraine and the ensuing energy crisis, and the cost-of-living crisis – to reduce energy demand, avoiding CO2 emissions and dampen energy cost volatility. The buildings sector represents 40 per cent of Europe’s energy demand, 80 per cent of it from fossil fuels.
The number of NDCs that mention buildings grew from 88 in 2015 to 158 in 2021.However, progress on buildings and construction policies and action remains slow. Over the same period, the number of countries with building energy codes rose from 62 to 79. However, only 26 per cent of countries have mandatory building energy codes for the entire sector.Raw resource use is predicted to double by 2060 – with steel, concrete and cement already major contributors to greenhouse gas emissions.
Africa is also rich in renewable energy sources, solar and wind, which nations can use to power their buildings sustainably.· Build coalitions of national stakeholders to set targets and strategies towards a sustainable, zero-carbon and resilient buildings and construction sector through Buildings Roadmaps. Following the GlobalABC roadmaps process and model, more than 30 countries and territories have been developing roadmaps.
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