Also known as GHG, greenhouse gases, gasocrine signaling molecule
heat-trapping gas in a planet's atmosphere
A greenhouse gas is a gas in Earth's atmosphere that traps heat from the sun, similar to how a greenhouse keeps plants warm. This matters because when greenhouse gases build up, they trap more heat and can change the planet's climate.
AI-generated from the Wikipedia summary — may contain errors.
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, water vapor, and methane. Physical drivers of global warming that has happened so far. Future global warming potential for long-lived drivers like carbon dioxide emissions is not represented. Whiskers on each bar show the possible error range.
Greenhouse gases (GHGs) are the gases in an atmosphere that trap heat, raising the surface temperature of astronomical bodies such as Earth. Unlike other gases, greenhouse gases absorb the radiations that a planet emits, resulting in the greenhouse effect. The Earth is warmed by sunlight, causing its surface to radiate heat, which is then mostly absorbed by greenhouse gases. Without greenhouse gases in the atmosphere, the average temperature of Earth's surface would be about −18 °C (0 °F), rather than the present average of 15 °C (59 °F). Human-induced warming has been increasing at an unprecedented rate since it has started being measured, reaching 0.27±0.1 °C per decade over 2015–2024. This high rate of warming is caused by a combination of greenhouse gas emissions being at an all-time high of 53.6±5.2 Gt CO2e per year over the last decade (2014–2023), as well as reductions in the strength of aerosol cooling.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).