Why Countries May Not Meet Paris Climate Goals


The energy intensity per square meter of buildings needing to improve 30% by 2030 to keep the Paris Agreement on track, according to new research released today.

The Global Status Report 2017, from the Global Alliance for Buildings and Construction, finds that the sector continues to grow. In 2016, total floor area reached an estimated 235 billion square meters. Over the next 40 years, 230 billion m2 of additional buildings will be constructed.

Buildings and construction account for 39% of energy-related CO2 emissions, when upstream power generation is included. Between 2010 and 2016, population growth, rising floor area per person and greater demand for energy services all contributed to an increase in new energy demand in buildings equal to all the final energy consumed by Germany during the same period.

According to the report, the clock is ticking in part because more than half of this construction will be constructed in the next 20 years – two-thirds of the construction happening in countries that do not have mandatory building energy codes in place.

However, the report – prepared by the International Energy Agency and coordinated by UN Environment – highlights many opportunities to deploy energy-efficient and low-carbon solutions, and points to many examples across the globe that show the goals can be met with clear and concerted efforts.

“Over the next 40 years, the world is expected to build 230 billion square meters in new construction – adding the equivalent of Paris to the planet every single week,” said Fatih Birol, Executive Director of the International Energy Agency, at the international conference “Energy efficiency in buildings: how to accelerate investments” on the fringe of the One Planet Summit in Paris. “This rapid growth is not without consequences.”

“While the energy intensity of the buildings sector has improved, this has not been enough to offset rising energy demand. Ambitious action is needed without delay to avoid locking in long-lived, inefficient buildings assets for decades to come,” Birol said.

The Paris Agreement pledges to date still fall short of hitting the 4.9 Gigatonnes of Carbon Dioxide (GtCO2) annual emissions reduction that could be achieved if countries were to pursue strategic low-carbon and energy-efficient buildings technology deployment. CO2 emissions from buildings and construction rose by nearly 1% per year between 2010 and 2016, releasing 76 GtCO2 in cumulative emissions.

The 30% improvement in the sector’s energy intensity would require a near-doubling of current buildings’ energy performance improvements to over 2% each year to 2030, the report says. This means near-zero energy, zero-emissions buildings need to become the construction standard globally within the next decade.

The rate of building energy renovations also needs to improve from 1 to 2% per year to over 2 to 3% in the coming decade. Such retrofits are particularly important in Organisation for Economic Co-operation and Development (OECD) countries, where roughly 65% of the total expected 2060 buildings stock is already built today.

“Similar to many areas linked to the Paris Agreement, the building sector is seeing some progress in cutting its emissions, but it is too little, too slowly,” said Erik Solheim, head of UN Environment. “Realizing the potential of the buildings and construction sector needs all hands-on deck – in particular to address rapid growth in inefficient and carbon-intensive building investments.”

The energy savings potential from improved building envelope performance improvements is huge: globally, high-performance buildings construction and deep energy renovations of existing building envelopes represent a savings potential more than all the final energy consumed by the G20 countries in 2015.

The report points to many examples of buildings that work, such as the zero-energy Edge building in Amsterdam. The building maximizes natural light intake and solar electricity production, and uses smart technologies such as intelligent ventilation systems that are responsive to sensor data or user commands. Additional examples, include best practice management, such as waste sharing service that recycles construction and demolition waste in France.

The How

The report identifies ways to unlock the potential benefits, including:

  • Ambitious and transparent commitment. Effort is needed to bring forward strategic policies and market incentives that signal the vital role of buildings and construction in meeting the sustainable development goals.
  • Building energy codes and certification. Deployment of improved building energy codes and policies, including certification, labelling and incentive programmes, are needed in all countries.
  • Energy-efficient, low-carbon and affordable technologies. Wide-scale adoption and investment in high-performance, low-carbon solutions are key to sustainable buildings and construction.
  • Investments and finance. Transforming buildings and construction will require a major shift in financing and investments. This includes building the business case for investors, while providing information and financing tools that remove risks and uncertainties for decision makers.


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