Every Building On the Planet Must Be ‘Net Zero Carbon’ by 2050 to Keep Global Warming Below 2°C, New Report

Every Building On the Planet Must Be ‘Net Zero Carbon’ by 2050 to Keep Global Warming Below 2°C, New Report

Building Sector—Responsible for 30 Percent of Global Emissions—Has Steep Climb Toward Achieving Paris Agreement Targets 

The building sector, which is responsible for global emissions roughly equivalent to that of China, must operate at “net zero carbon” by 2050 if global warming is to remain under two degrees Celsius, the limit enshrined in the Paris Agreement. According to a new report by the World Green Building Council (WorldGBC), there are currently 500 net zero commercial buildings and 2,000 net zero homes around the globe (well under 1 percent of all buildings worldwide), requiring a monumental and coordinated effort by businesses, governments and nongovernmental organizations to bring the building sector within striking distance of Paris Agreement targets.

“We need nothing short of a dramatic and ambitious transformation from a world of thousands of net zero buildings, to one of billions if we are to avoid the worst impacts of climate change,” said Terri Wills, CEO of the World Green Building Council. “Businesses, governments and NGOs hold the key to this transformation, but they must commit to aggressive action. It is possible to create a world in which every single building produces zero carbon emissions, but we must start today.”

The report defines ‘net zero buildings’ as highly energy-efficient buildings which generate or supply the energy they need to operate from renewable sources to achieve net zero carbon emissions, and lays out specific actions that the private sector, governments and NGOs can take to ensure all new buildings operate at net zero carbon by 2030 and that all existing buildings are renovated to operate at net zero carbon by 2050.

The International Energy Agency estimates that the current global building stock is 223 billion square meters, and will almost double to 415 billion square meters by 2050. According to the Global Alliance for Building and Construction, current renovation rates amount to less than one percent of the existing building stock each year. To achieve universal net zero carbon in the building sector by 2050, renovation rates must increase by 3 percent every year starting in 2017, and must accelerate for every year of delay.  

Net zero buildings not only help in the fight against climate change, but can create jobs, improve energy security, and lower energy costs, adds the report.

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The World Green Building Council is working to ensure all buildings operate at net zero carbon emissions by 2050 through its Advancing Net Zero project. Ten Green Building Councils (GBCs) in some of the largest building markets such as India, the U.S. and Brazil, are introducing net zero building certification programs in their countries. To date, Green Building Councils have collectively certified more than 1 billion square meters of green building space around the world—10 times the size of Paris. These certifications have stimulated growth in the green building market.

Download World GBC's report here

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 Net Zero Carbon Buildings
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 climate change
 emissions

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