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Source Attribution

This category encompasses research aimed at identifying the relative contribution of different sectors, activities, and entities to global climate change. It includes research on the respective contributions of national governments and private corporations to increases in global greenhouse gas concentrations (through both emissions and land use changes). It also includes research on the respective obligations of different entities to mitigate their contributions to climate change.

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Large increases in methane emissions expected from North America’s largest wetland complex

March 2023
Sheel Bansal, Max Post Van Der Burg, Rachel R. Fern, John W. Jones, Rachel Lo, Owen P. McKenna, Brian A. Tangen, Zhen Zhang, Robert A. Gleason
Science Advances
This peer-reviewed study examines natural methane emissions from the Prairie Pothole Region, North America's largest wetland. These emissions are predicted to increase by 2- or 3-fold by 2100 under moderate or severe warming scenarios, respectively.Read More →

National contributions to climate change due to historical emissions of carbon dioxide, methane, and nitrous oxide since 1850

March 2023
Matthew W. Jones, Glen P. Peters, Thomas Gasser, Robbie M. Andrew, Clemens Schwingshackl, Johannes Gütschow, Richard A. Houghton, Pierre Friedlingstein, Julia Pongratz, Corinne Le Quéré
Scientific Data (Nature)
This study introduces a dataset detailing the national contributions to global warming caused by CO2, CH4, and N2O emissions from 1851 to 2021. It emphasizes the importance of national accountability offers insights into cumulative impacts. Read More →

Greenhouse Gases Emissions: Estimating Corporate Non-Reported Emissions Using Interpretable Machine Learning

February 2023
Jérémi Assael, Thibaut Heurtebize, Laurent Carlier, François Soupé
Sustainability
This study presents a novel interpretable machine learning model designed to estimate Scope 1 and Scope 2 GHG emissions for companies that do not report them by using data from the Carbon Disclosure Project (CDP) database. Read More →

Emissions of Carbon Dioxide in the Transportation Sector

December 2022
Congressional Budget Office
This report examines the trends and sources of CO2 emissions within the U.S. transportation sector, the largest emitter of CO2 in the country. It provides analyses on factors influencing these emissions and the policy and economic implications. Read More →

South Asian black carbon is threatening the water sustainability of the Asian Water Tower

November 2022
Junhua Yang, Shichang Kang, Deliang Chen, Lin Zhao, Zhenming Ji, Keqin Duan, Haijun Deng, Lekhendra Tripathee, Wentao Du, Mukesh Rai, Fangping Yan, Yuan Li, Robert R. Gillies
Nature Communications
This peer-reviewed study examines the effect of South Asian black carbon emissions on glacial melt in the Tibetan plateau, and indirect effects of this melt on the supply of water in densely-populated regions of South Asia.Read More →

Seasonal increase of methane emissions linked to warming in Siberian tundra

October 2022
Norman Rößger, Torsten Sachs, Christian Wille, Julia Boike, Lars Kutzbach
Nature Climate Change
This paper assesses methane emissions from the North Siberian Lena River Delta, providing the first observational evidence of an increasing trend of early summer methane emissions from tundra wetlands linked to atmospheric warming.Read More →

LEGAL RESOURCE – Expert Reports of Peter A. Erickson – Held v. State of Montana

September 2022
Peter A. Erickson
Legal Document - Held v. State of Montana
In this expert report, submitted by plaintiffs in "Held v. Montana," the author assesses emissions attributable to "extraction of fossil fuels; processing and transportation of fossil fuels; and consumption of fossil fuels by end users" in Montana.Read More →

How Much Have the Oil Supermajors Contributed to Climate Change? Estimating the Carbon Footprint of the Oil Refining and Petroleum Products Sales Sectors

March 2022
Jiarui Chen, Perrine Toledano, Martin Dietrich Brauch
Columbia Center on Sustainable Investment (CCSI)
This report evaluates the contributions of oil supermajors to climate change by estimating the carbon footprint of the oil refining and petroleum products sales sectors through using quantitative methods and open-source models.Read More →

Filling the evidentiary gap in climate litigation

June 2021
Rupert F. Stuart-Smith, Friederike E. L. Otto, Aisha I. Saad, Gaia Lisi, Petra Minnerop, Kristian Cedervall Lauta, Kristin van Zwieten & Thom Wetzer
Nature Climate Change
The evidence submitted and referenced in climate mitigation cases lags considerably behind the state of the art in climate science, impeding causation claims.Read More →

Benchmarking Methane and Other GHG Emissions Of Oil & Natural Gas Production in the United States

June 2021
Robert LaCount, Tom Curry, Luke Hellgren, Pye Russell
Clean Air Task Force
Data on U.S. oil and gas production are combined to facilitate comparing emissions performance metrics for oil and gas producers. Read More →

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