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The Hidden Climate Impact of Residential Construction

The Hidden Climate Impact of Residential Construction

Full Title: The Hidden Climate Impact of Residential Construction
Author(s): Chris Magwood, Tracy Huynh, Victor Olgyay
Publisher(s): Rocky Mountain Institute
Publication Date: March 28, 2023
Full Text: Download Resource
Description (excerpt):

New home construction in the US creates over 50 million tons of embodied carbon emissions annually, equivalent to the emissions from 138 natural gas–fired power plants or the yearly emissions from entire countries such as Norway, Peru, and Sweden. However, the sector has a unique opportunity to reduce tens of millions of tons of emissions and become a leading contributor to US climate targets, quickly and efficiently. Understanding and reducing overall climate impact requires paying attention to the upstream, or embodied, emissions that result from producing building materials such as concrete and insulation in addition to the downstream operational emissions from heating and cooling.

This report shows how the building industry can bring up-front materials emissions down to zero. It explores our current understanding of cradle-to-gate (CtG) embodied carbon emissions, otherwise known as up-front emissions from materials captured in lifecycle phases A1-A3, in new home construction and the building industry’s ability to mitigate these emissions down to zero (or even to become net carbon storing). We demonstrate how this can be done without any negative repercussions for continuing efforts to bring operational greenhouse gas (GHG) emissions to zero, providing the market with clear directions for fast, practical, and cost-effective change.

All statements and/or propositions in discussion prompts are meant exclusively to stimulate discussion and do not represent the views of, its Partners, Topic Directors or Experts, nor of any individual or organization. Comments by and opinions of Expert participants are their own.

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