Greenhouse gas emissions - Wikipedia
Greenhouse gas emissions per person in the highest-emitting countries. [1] Areas of rectangles represent total emissions for each country. Greenhouse gas (GHG) emissions from human activities …
Overview of Greenhouse Gases | US EPA
Dec 29, 2025 · Gases that trap heat in the atmosphere are called greenhouse gases. This section provides information on emissions and removals of the main greenhouse gases to and from the …
Greenhouse gas emissions - Our World in Data
In discussions on climate change, we tend to focus on carbon dioxide (CO2) — the most dominant greenhouse gas produced by the burning of fossil fuels, industrial production, and land use change. …
Greenhouse gas | Definition, Emissions, & Greenhouse Effect ...
Dec 19, 2025 · greenhouse gas, any gas that has the property of absorbing infrared radiation (net heat energy) emitted from Earth’s surface and reradiating it back to Earth’s surface, thus contributing to …
Greenhouse gases - World Meteorological Organization
Dec 3, 2025 · Greenhouse gases (GHGs) in the atmosphere trap infrared radiation from the Earth, keeping it warm, this is known as the greenhouse effect. GHG emissions from human activities …
Greenhouse gas emissions - World Energy Data
Sustained emissions of short lived climate pollutants (mainly CH 4) cause global warming to increase rapidly at first, and then stabilise. A permanent 50–75% reduction could reduce warming by over …
What Are Greenhouse Gases and Why Do They Matter
Oct 12, 2022 · Greenhouse gases (GHGs) are a category of gases that absorb heat energy emitted from the planet's surface and they remain in Earth's atmosphere for a long time (from decades to centuries).