methane
CEFR: B2
A potent greenhouse gas hydrocarbon (CH4) emitted during anaerobic decomposition in wetlands and ruminant digestion.
Synonyms
- marsh gas
- atmospheric hydrocarbon
Common Collocations
- methane emissions
- release of methane
- potent methane gas
Example Sentence
Thawing Siberian permafrost releases ancient trapped methane, creating a perilous climate warming feedback loop.