Air Pollution Emissions Overview - US EPA
Emissions is the term used to describe the gases and particles which are put into the air or emitted by various sources. National Trends The amounts and types of emissions change every year. These …
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 …
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 …
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.
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, …
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 …
CO₂ and Greenhouse Gas Emissions - Our World in Data
On this page, you can find our data, visualizations, and writing on CO2 and other greenhouse gas emissions. Human greenhouse gas emissions have increased global average temperatures. Global …
United States vehicle emission standards - Wikipedia
United States vehicle emission standards are set through a combination of legislative mandates enacted by Congress through Clean Air Act (CAA) amendments from 1970 onwards, and executive …
Overview of Greenhouse Gases | US EPA
Dec 29, 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 …
Greenhouse Gas (GHG) Emissions and Removals | US EPA
Nov 12, 2025 · Learn about key greenhouse gases and their sources, as well greenhouse gas emissions at the global, national, facility,and household level.