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A framework for localizing global climate solutions and their carbon reduction potential.

ABSTRACT: Localized carbon reduction strategies are especially critical in states and regions that lack top-down climate leadership. This paper illustrates the use of coupled systems in assessments of subnational climate solutions with a case study of Georgia, a state located in the southeastern United States that does not have statewide climate goals or plans. The paper illustrates how robust place-specific plans for climate action could be derived from foundational global and national work and by embedding that research into the context of socio-ecological-technological systems. Our replicable methodology advances the traditional additive sectoral wedge analysis of carbon abatement potential by incorporating solution interdependencies and by spanning both carbon sources and sinks. We estimate that a system of 20 solutions could cut Georgia's carbon footprint by 35% in 2030 relative to a business-as-usual forecast and by 50% relative to Georgia's emissions in 2005. We also produce a carbon abatement cost curve that aligns private and social costs as well as benefits with units of avoided CO2-e. The solutions are affiliated with various social co-costs and co-benefits that highlight societal concerns extending beyond climate impacts, including public health, environmental quality, employment, and equity.

SUBMITTER: Brown MA

PROVIDER: S-EPMC8346852 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature

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A framework for localizing global climate solutions and their carbon reduction potential.

Brown Marilyn A MA Dwivedi Puneet P Mani Sudhagar S Matisoff Daniel D Mohan Jacqueline E JE Mullen Jeffrey J Oxman Michael M Rodgers Michael M Simmons Richard R Beasley Blair B Polepeddi Lalith L

Proceedings of the National Academy of Sciences of the United States of America 20210801 31

Localized carbon reduction strategies are especially critical in states and regions that lack top-down climate leadership. This paper illustrates the use of coupled systems in assessments of subnational climate solutions with a case study of Georgia, a state located in the southeastern United States that does not have statewide climate goals or plans. The paper illustrates how robust place-specific plans for climate action could be derived from foundational global and national work and by embedd ...[more]

PMID: 34312225

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Project description:Abstract Actions to protect against biodiversity loss and climate change will require a framework that addresses synergies between these interrelated issues. In this study, we present methods for identifying areas important for the implementation of nature‐based climate solutions and biodiversity conservation by intersecting high‐resolution spatial data for carbon storage and landscape connectivity. We explored the spatial congruence of carbon and connectivity in Ontario, Canada and examined effectiveness of current protected areas coverage. We found a weak positive relationship between carbon stocks and landscape connectivity; however, our maps revealed large hotspots, with high values of both indices, throughout the boreal forest and northern peatlands and smaller, isolated hotspots, in the settled landscapes of the south. Location of hotspots varied depending on whether we considered forest or soil carbon. Further, our results show that current protected and conserved areas in Ontario only cover 13% of landscapes with the highest values for both carbon storage and connectivity. Protection or restoration of areas that maximize the co‐benefits of carbon storage and connectivity would make significant contributions toward ambitious national targets to reduce greenhouse gas emissions and conserve biodiversity. We identified areas important for the implementation of nature‐based climate solutions and biodiversity conservation in Ontario, Canada by intersecting high‐resolution spatial data for carbon storage and landscape connectivity. We found large hotspots, with high values for both indices, throughout the boreal forest and northern peatlands of the province. Further, our results show that current protected and conserved areas in Ontario only cover 13% of landscapes with the highest values for both carbon storage and connectivity suggesting these areas are priorities for protection and would make significant contributions toward ambitious national targets to reduce greenhouse gas emissions and conserve biodiversity.

Dataset Information

A framework for localizing global climate solutions and their carbon reduction potential.

Publications

A framework for localizing global climate solutions and their carbon reduction potential.

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