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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... -
Federal
National Point Source Releases to Water Totals by Industry 2017 v1.1
U.S. Environmental Protection Agency —
This dataset contains national 2017 point-source releases to water by North American Industry Classification System (NAICS) 2012 6-digit codes. This dataset was... -
Federal
National Criteria and Hazardous Air Pollutant Emissions Totals By Industry 2017
U.S. Environmental Protection Agency —
This dataset contains 2017 national level criteria and hazardous air pollutant emissions by North American Industry Classification System (NAICS) 2012 6-digit codes.... -
Federal
National Point Source Releases to Ground Totals by Industry 2017 v1.1
U.S. Environmental Protection Agency —
This dataset contains 2017 national point source releases to ground by North American Industry Classification System (NAICS) 2012 6-digit codes. This dataset was... -
Federal
National Point Source Releases to Ground Totals by Industry 2017
U.S. Environmental Protection Agency —
This dataset contains 2017 national point source releases to ground by North American Industry Classification System (NAICS) 2012 6-digit codes. This dataset was... -
Federal
National Criteria and Hazardous Air Pollutant Emissions Totals By Industry 2017 v1.1
U.S. Environmental Protection Agency —
This dataset contains 2017 national-level criteria and hazardous air pollutant emissions by North American Industry Classification System (NAICS) 2012 6-digit codes.... -
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
National Point Source Releases to Water Totals by Industry 2017
U.S. Environmental Protection Agency —
This dataset contains national 2017 point-source releases to water by North American Industry Classification System (NAICS) 2012 6-digit codes. This dataset was... -
City
Louisville Metro KY - National Emissions Inventory
Louisville Metro Government —
Emissions inventories: emissions reported by regulated facilities and modeled emissions from vehicles, smaller sources, wildfires, etc. Can select data by pollutant... -
Federal
Figures for EPA White Paper EPA-454/R-21-008: Overview of Progress and Findings from the Cross-EPA Coordination Effort for Understanding and Evaluating NOx Emissions Discrepancies
U.S. Environmental Protection Agency —
This white paper describes the EPA exploration of a reported discrepancy between estimates of NOX and reactive nitrogen (NOY) concentrations from the Community... -
Federal
Data from: Implied climate warming contributions of enteric methane emissions are dependent on the estimate source and accounting methodology
Department of Agriculture —
This dataset was used in the generation of the manuscript titled: Implied climate warming contributions of enteric methane emissions are dependent on the estimate...