I-Methane, igesi yamakhemikhali, ihlukaniswa njengezinto eziyingozi. Ikhonjwe ngaphansi kwe-UN1971, ihlukaniswa njengeKlasi 2.1 igesi evuthayo.
Lapho uthekelisa, i-methane ingathuthwa ngezindlela ezihlukahlukene ezihlanganisa nempahla yasolwandle, impahla emoyeni, kanye nezinsizakalo zokuthumela izincwadi.