methane
//ˈmɛθeɪn//
Noun
1
A colorless, odorless, flammable gas (CH₄) that is the main component of natural gas and is produced by the decomposition of organic matter.
Methane is a greenhouse gas that contributes to climate change.
2
A potent greenhouse gas that contributes to climate change when released into the atmosphere.
Methane emissions from livestock farming are a major contributor to global warming.