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  1. Georgia's Clean Air Force

    Your Resource for Georgia’s Vehicle Emissions Inspection & Maintenance (I/M) Program

  2. Sources of Greenhouse Gas Emissions | US EPA

    Mar 31, 2025 · EPA tracks total U.S. emissions by publishing the Inventory of U.S. Greenhouse Gas Emissions and Sinks. This annual report estimates the total national greenhouse gas emissions and …

  3. Greenhouse gas emissions - Wikipedia

    Emissions from human activities have increased atmospheric carbon dioxide by about 50% over pre-industrial levels. The growing levels of emissions have varied, but have been consistent among all …

  4. CO₂ emissions - Our World in Data

    This page is just one in our collection of work on CO2 and Greenhouse Gas Emissions where you can explore emissions of other greenhouse gases; where our emissions come from; what trajectories of …

  5. Understanding emissions: what are they and why do they matter?

    Sep 23, 2025 · Emissions refer to the release of gases, including carbon dioxide (CO2), methane, nitrous oxide, and others, into the atmosphere. These gases profoundly affect the Earth’s climate, …

  6. Environment - U.S. Energy Information Administration (EIA)

    Data source: Short-Term Energy Outlook Renewables and Carbon Dioxide Emissions Note: F= Forecast.

  7. Carbon Emissions Definition: Complete Guide To CO2 & Greenhouse …

    Jul 13, 2025 · Learn what carbon emissions are, their sources, environmental impact, and measurement methods. Complete 2025 guide with latest data and reduction strategies.

  8. Overview of Greenhouse Gases | US EPA

    Jan 16, 2025 · This section provides information on emissions and removals of the main greenhouse gases to and from the atmosphere. Click on a greenhouse gas below to learn about its emissions in …

  9. Emissions | UC Davis

    Oct 11, 2021 · Energy use and production, followed by agriculture, are the largest sources of emissions worldwide. Carbon dioxide from burning fossil fuels accounts for about three-fourths of current total …

  10. CO2 Emissions – Global Energy Review 2025 – Analysis - IEA

    Global Energy Review 2025 - Analysis and key findings. A report by the International Energy Agency.