The potential of carbon markets to accelerate green infrastructure based water quality trading

Abstract Green infrastructure solutions can improve in-stream water quality in lieu of building electricity-consuming gray infrastructure. Permitted under the United States Clean Water Act, these programs allow regulated utilities to trade point-source water quality obligations with non-point source...

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Main Authors: Braden J. Limb, Jason C. Quinn, Alex Johnson, Robert B. Sowby, Evan Thomas
Format: Article
Language:English
Published: Nature Portfolio 2024-04-01
Series:Communications Earth & Environment
Online Access:https://doi.org/10.1038/s43247-024-01359-x
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author Braden J. Limb
Jason C. Quinn
Alex Johnson
Robert B. Sowby
Evan Thomas
author_facet Braden J. Limb
Jason C. Quinn
Alex Johnson
Robert B. Sowby
Evan Thomas
author_sort Braden J. Limb
collection DOAJ
description Abstract Green infrastructure solutions can improve in-stream water quality in lieu of building electricity-consuming gray infrastructure. Permitted under the United States Clean Water Act, these programs allow regulated utilities to trade point-source water quality obligations with non-point source mitigation efforts in the watershed. Carbon financing can provide an incentive for water quality trading. Here we combine data on impaired waters, treatment technologies, and life cycle greenhouse gas emissions in the Contiguous United States, and compare traditional treatment technologies to alternative green infrastructure. We find green infrastructure could save $15.6 billion dollars, 21.2 terawatt-hours of electricity, and 29.8 million tonnes of carbon dioxide equivalent emissions per year while sequestering over 4.2 million tonnes CO2e per year over a 40 year time horizon. Green infrastructure solutions may have the potential to generate $679 million annually in carbon credit revenue (at $20 per credit), which represents a unique opportunity to help accelerate water quality trading.
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spelling doaj.art-dfa559f31ee442699cd732a3887a920e2024-04-21T11:31:16ZengNature PortfolioCommunications Earth & Environment2662-44352024-04-015111210.1038/s43247-024-01359-xThe potential of carbon markets to accelerate green infrastructure based water quality tradingBraden J. Limb0Jason C. Quinn1Alex Johnson2Robert B. Sowby3Evan Thomas4Mechanical Engineering, Colorado State UniversityMechanical Engineering, Colorado State UniversityMortenson Center in Global Engineering and Resilience, University of Colorado BoulderDepartment of Civil and Construction Engineering, Brigham Young UniversityMortenson Center in Global Engineering and Resilience, University of Colorado BoulderAbstract Green infrastructure solutions can improve in-stream water quality in lieu of building electricity-consuming gray infrastructure. Permitted under the United States Clean Water Act, these programs allow regulated utilities to trade point-source water quality obligations with non-point source mitigation efforts in the watershed. Carbon financing can provide an incentive for water quality trading. Here we combine data on impaired waters, treatment technologies, and life cycle greenhouse gas emissions in the Contiguous United States, and compare traditional treatment technologies to alternative green infrastructure. We find green infrastructure could save $15.6 billion dollars, 21.2 terawatt-hours of electricity, and 29.8 million tonnes of carbon dioxide equivalent emissions per year while sequestering over 4.2 million tonnes CO2e per year over a 40 year time horizon. Green infrastructure solutions may have the potential to generate $679 million annually in carbon credit revenue (at $20 per credit), which represents a unique opportunity to help accelerate water quality trading.https://doi.org/10.1038/s43247-024-01359-x
spellingShingle Braden J. Limb
Jason C. Quinn
Alex Johnson
Robert B. Sowby
Evan Thomas
The potential of carbon markets to accelerate green infrastructure based water quality trading
Communications Earth & Environment
title The potential of carbon markets to accelerate green infrastructure based water quality trading
title_full The potential of carbon markets to accelerate green infrastructure based water quality trading
title_fullStr The potential of carbon markets to accelerate green infrastructure based water quality trading
title_full_unstemmed The potential of carbon markets to accelerate green infrastructure based water quality trading
title_short The potential of carbon markets to accelerate green infrastructure based water quality trading
title_sort potential of carbon markets to accelerate green infrastructure based water quality trading
url https://doi.org/10.1038/s43247-024-01359-x
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