zero carbon zcb

CaGBC launches ZCB Standard Version 2

Tuesday, March 10, 2020

The Canada Green Building Council (CaGBC) has launched Zero Carbon Building (ZCB) Standard Version 2. The update is designed to accelerate adoption of zero carbon building practices – and help Canada meet its climate targets while spurring innovation and job growth.

Version 2 draws on lessons learned from more than 20 real-world ZCB-projects. Version 2 aims to get more buildings to zero, faster, by providing more options for different design strategies and by recognizing high-quality carbon offsets when necessary.

Since the ZCB Standard launched in 2017, CaGBC has proven through real-world projects and research, that zero carbon buildings are technically and financially viable today – across a wide spectrum of building types including schools, offices, multi-residential, commercial, and even industrial buildings. The updates provide the guidance for more owners and developers to build to zero now and as part of their plans for the future.

“The changes we’ve made give the industry and government a clear path to show carbon leadership with positive climate action that future-proofs buildings, encourages innovation, and drives job growth,” said Thomas Mueller, CEO and president, CaGBC

What’s new in ZCB Standard v2

ZCB Standard v2 provides two pathways for any type of building to get to zero carbon: ZCB-Design guides the design of new buildings, as well as the retrofit of existing structures; and ZCB-Performance provides a framework for verifying buildings have achieved zero carbon and must be revisited annually.

ZCB Standard v2 updates focus on these key components:

  • Embodied Carbon: Projects must now reduce and offset carbon emissions for the building’s life-cycle including those associated with the manufacture and use of construction materials.
  • Refrigerants: ZCB Standard v2 encourages best practices to minimize potential leaks of refrigerants that, when released, can have significant short-term impacts on climate.
  • Energy Efficiency: ZCB Standard v2 promotes the efficient use of clean energy with more stringent energy efficiency and airtightness requirements.
  • Innovation: ZCB-Design encourages innovation by requiring projects demonstrate two innovative strategies to reduce carbon emissions.

To read the full Standard, or to see the full list of pilot and certified projects, please go to CaGBC.org/zerocarbon

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