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Chemical compound

Methane is a colorless odorless gas. It is also known as marsh gas or methyl hydride. It is easily ignited. The vapors are lighter than air. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket. It is used in making other chemicals and as a constituent of the fuel, natural gas.

Chemical Structure Depiction

Methane is a one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161℃). It has a role as a fossil fuel, a member of greenhouse gas and a bacterial metabolite. It is a mononuclear parent hydride, a one-carbon compound, a gas molecular entity and an alkane. It is a conjugate acid of a methanide.

Natural gas, refrigerated liquid (cryogenic liquid) appears as a flammable liquefied gaseous mixture of straight chain hydrocarbons, predominately methane.


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Chris D'Angelo
October 1, 2021
In public, industry officials say companies have has an "economic incentive" to curb methane releases. In private, they have acknowledged that isn't true.
BBC News
September 17, 2021
BBC News
The president asks leaders to commit to cutting emissions by at least 30% below 2020 levels by 2030.
August 27, 2021
The IPCC report published earlier thrusts into the spotlight methane (CH4), the second biggest contributor to climate change after carbon dioxide (CO2), capable of trapping heat at a higher rate than any other greenhouse gases. This special attention given to the previously overlooked methane, could very well mark a shift in policy and public focus from CO2 to CH4. Both methane and carbon dioxide warm the atmosphere, but the two greenhouse gases behave very differently, with met...
Laura Legere
August 17, 2021
Last week, a landmark climate report from the United Nations gave the sobering consensus of decades of international climate change research: "It is unequivocal that human influence has warmed the atmosphere, ocean and land," causing "widespread and rapid changes" in the air, seas, once-frozen places and plant and animal life that have touched every region on Earth.
Tim De Chant
August 13, 2021
Ars Technica
Findings could throw national climate policies into disarray.


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