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In the Arctic, the main human-influenced sources of methane are thawing permafrost, Arctic sea ice melting, clathrate breakdown and Greenland ice sheet melting. This methane release results in a positive climate change feedback (meaning one that amplifies warming), as methane is a powerful greenhouse gas. [87]
[5]: 82 Methane's radiative forcing (RF) of climate is direct, [6]: 2 and it is the second largest contributor to human-caused climate forcing in the historical period. [6]: 2 Methane is a major source of water vapour in the stratosphere through oxidation; [7] and water vapour adds about 15% to methane's radiative forcing effect. [8]
Methane (US: / ˈ m ɛ θ eɪ n / METH-ayn, UK: / ˈ m iː θ eɪ n / MEE-thayn) is a chemical compound with the chemical formula CH 4 (one carbon atom bonded to four hydrogen atoms). It is a group-14 hydride, the simplest alkane, and the main constituent of natural gas.
Over half of U.S. landfills observed by aerial surveys are super-emitting sources of methane, according to a new study in the journal Science published on Thursday. The study is the largest ...
Scientists say climate negotiators have misjudged the effects of rising methane emissions and warn the potent greenhouse gas could imperil hopes of meeting mid-century climate targets. The key ...
A heat map of the planet showing methane emissions from wetlands from 1980 to 2021. Greenhouse gas emissions from wetlands of concern consist primarily of methane and nitrous oxide emissions. Wetlands are the largest natural source of atmospheric methane in the world, and are therefore a major area of concern with respect to climate change.
Grist explains why the way people eat and dispose of food plays a huge role in humanity's growing methane problem. Food is a huge source of methane emissions. Fixing that is no easy feat.
Natural gas is thus a potent greenhouse gas due to the strong radiative forcing of methane in the short term, and the continuing effects of carbon dioxide in the longer term. [115] Targeted efforts to reduce warming quickly by reducing anthropogenic methane emissions is a climate change mitigation strategy supported by the Global Methane ...