Greenhouse gases trap some of the heat that results when sunlight heats the Earth's surface. Three important greenhouse gases are shown symbolically in this image: carbon dioxide, …

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 …

Nov 12, 2025 · Learn about the most important GHGs. Where do GHGs come from? Learn about the human activities that add GHGs to our atmosphere. Find out more about global …

Greenhouse Gas Protocol provides standards and tools that help countries and cities track progress toward climate goals. In 2023, 97% of disclosing S&P 500 companies reported to …

This multi-agency effort consolidates greenhouse gas information from observations and models to create a unified source for U.S. government and other datasets. The goal of the US GHG …

Jun 18, 2024 · In the United States, most (about 74%) human-caused (anthropogenic) greenhouse gas (GHG) emissions come from burning fossil fuels—coal, natural gas, and …

Nov 6, 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 …

Participation in the program is free and voluntary; there are no fees or legal requirements. The program is designed to encourage ongoing implementation of actions that reduce greenhouse …

Greenhouse gases are gases—like carbon dioxide (CO 2), methane, and nitrous oxide—that keep the Earth warmer than it would be without them. The reason they warm the Earth has to do …

Greenhouse gases are molecules in our atmosphere that absorb heat radiating from Earth’s surface, preventing it from being emitted into space.