Methane | Definition, Properties, Uses, & Facts | Britannica
Dec 21, 2025 · Methane, colorless, odorless gas that occurs abundantly in nature and as a product of certain human activities. Methane is the simplest member of the paraffin series of …
Methane - Wikipedia
Methane is an organic hydrocarbon, and among the simplest of organic compounds. Naturally occurring methane is found both below ground and under the seafloor and is formed by both …
Importance of Methane - US EPA
Mar 3, 2025 · Methane (CH 4) is a hydrocarbon that is a primary component of natural gas. Methane is also a greenhouse gas (GHG), so its presence in the atmosphere affects the …
Facts about Methane - UNEP - UN Environment Programme
Jul 19, 2024 · Methane (CH4), the primary component of natural gas, is responsible for approximately a third of the warming we are experiencing today.
Methane - Earth Indicator - NASA Science
Sep 25, 2025 · Methane (CH4) is a potent greenhouse gas and is the second-largest contributor to Earth's warming after carbon dioxide (CO2). A molecule of methane traps more heat than a …
Methane - Center for Science Education
Methane accounts for about 20% of the heating effects by all of the greenhouse gases combined. Both natural and human sources supply methane to Earth's atmosphere. Major natural …
Topic: Methane Emissions — U.S. Greenhouse Gas Center
About Methane Methane is a greenhouse gas emitted by a complex mix of natural sources and human activities. Although it is shorter-lived than carbon dioxide in the atmosphere, the …