Wahi a ka ʻikepili i hōʻiliʻili ʻia, ʻAʻole hopena ka pahū ʻana o ka methane piha ʻole.
He mea paʻakikī no ka methane maʻemaʻe e pahū ma lalo o nā kūlana nele o ka oxygen. Eia naʻe, ʻO ka methane ka mea hiki ke wela loa, ke kau nei i kahi pilikia nui o nā pōʻino inā ʻaʻole mālama ʻia a mālama ʻole ʻia.