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Federal
National Greenhouse Gas Emission Inventory
U.S. Environmental Protection Agency —
The National Greenhouse Gas Emission Inventory contains information on direct emissions of greenhouse gases as well as indirect or potential emissions of greenhouse... -
State
California Power Plants
State of California —
The power plant locations and characteristics are part of the California Energy Commissionโs (CEC) California Energy Infrastructure geospatial data sets. The data is... -
Federal
Report on U.S. Methane Emissions 1990-2020: Inventories, Projections, and Opportunities for Reductions: 2001 Updated emission and cost estimates
U.S. Environmental Protection Agency —
This dataset contains relative and absolute forecasts of emissions through 2020 for landfills, natural gas and oil systems, coal mines, manure management and enteric... -
Federal
GRACEnet (Greenhouse gas Reduction through Agricultural Carbon Enhancement network)
Department of Agriculture —
GRACEnet (Greenhouse gas Reduction through Agricultural Carbon Enhancement network) is a research program initiated in the early 2000s . Goals are to better quantify... -
Federal
Observations of carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) mole fractions from the Los Angeles Megacity Carbon Project
Department of Commerce —
Updated April 2025. Here we provide hourly observations of carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) mole fractions in dry air from tower- and... -
Federal
A Global Database of Gas Fluxes from Soils after Rewetting or Thawing, Version 1.0
National Aeronautics and Space Administration —
This database contains information compiled from published studies on gas flux from soil following rewetting or thawing. The resulting database includes 222 field and... -
Federal
Observations of carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) mole fractions from the Los Angeles Megacity Carbon Project
National Institute of Standards and Technology —
Updated April 2025. Here we provide hourly observations of carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) mole fractions in dry air from tower- and... -
State
Statewide Greenhouse Gas Emissions: Beginning 1990
State of New York —
This dataset provides the complete, detailed emission totals used to inform the New York State Statewide Greenhouse Gas Emissions Report - a foundational component of... -
Federal
Data to accompany the paper "Entropy Scaling of Viscosity -- II: Predictive Scheme for Normal Alkanes"
Department of Commerce —
Viscosity data for normal alkanes (methane, ethane, etc.) taken from the literature to accompany the paper "Entropy Scaling of Viscosity -- II: Predictive Scheme for... -
City
ECA Landfills Historical
City of Seattle —
Displays historic landfill locations.A polygon feature class showing landfill areas and former landfill sites. Used to implement and regulate the City of Seattle's... -
Federal
Using Open-Path Dual-Comb Spectroscopy to Monitor Methane Emissions from Simulated Grazing Cattle
Department of Commerce —
Data published in the paper "Using Open-Path Dual-Comb Spectroscopy to Monitor Methane Emissions from Simulated Grazing Cattle". A controlled methane release... -
City
Wastewater Co-digestion and Biogas-to-grid Performance Indicators
City of New York —
This dataset contains monthly performance indicators for Wastewater Resource Recovery Facilities (WRRFs) that operate co-digestion and biogas-to-grid programs. The... -
Federal
Data for: "Apportionment and Inventory Optimization of Agriculture and Energy Sector Methane Emissions using Multi-month Trace Gas Measurements in Northern Colorado"
Department of Commerce —
This dataset contains 1) the methane, ethane, ammonia, and water mixing ratio time series recorded at the Platteville Atmospheric Observatory site, 2) the hourly mean... -
Federal
ABoVE: CO2 and CH4 Fluxes and Meteorology at Flux Tower Sites, Alaska, 2015-2017
National Aeronautics and Space Administration —
This dataset provides CO2 and CH4 fluxes and meteorological parameters from five eddy covariance (EC) tower sites located at Barrow (three sites), Atqasuk (ATQ) and... -
Federal
Observations of carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) mole fractions from the NIST Northeast Corridor urban testbed
National Institute of Standards and Technology —
NOTE: please see the latest (March 2025) update at https://doi.org/10.18434/mds2-3765 . This archive is from May 2023. See Updates document for specific major and... -
Federal
Methane emissions estimates and related data sets for Washington DC and Baltimore, MD urban areas
Department of Commerce —
This dataset accompanies the publication below. Here we provide the results of the analysis, including gridded estimates of methane emissions for the... -
Federal
Methane Tracking and Mitigation Options - EPA CMOP
U.S. Environmental Protection Agency —
This dataset contains the sub-model for EPA's MARKAL model, which tracks methane emissions from the energy system, and limited other sources (landfills and manure... -
Federal
Data for: "Apportionment and Inventory Optimization of Agriculture and Energy Sector Methane Emissions using Multi-month Trace Gas Measurements in Northern Colorado"
National Institute of Standards and Technology —
This dataset contains 1) the methane, ethane, ammonia, and water mixing ratio time series recorded at the Platteville Atmospheric Observatory site, 2) the hourly mean... -
Federal
Observations of carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) mole fractions from the NIST Northeast Corridor urban testbed
Department of Commerce —
NOTE: please see the latest (March 2025) update at https://doi.org/10.18434/mds2-3765 . This archive is from May 2023. See Updates document for specific major and... -
Federal
In situ methane mole fraction observations from three sites in the Washington DC region from the NIST Northeast Corridor Project: January 2015 - December 2022
Department of Commerce —
Methane (CH4) mole fraction data collected from three tower sites in the Washington DC area: Bucktown, MD (BUC, ghg01), Stafford, VA (SFD, ghg65), and Thurmont, MD...