Complex sentence: Methane is a greenhouse gas and, when destroyed via thermal combustion, is chemically altered to form CO 2 and H 2 O. CO 2 is 25 times less potent than methane when emitted into the atmosphere with regards to global warming.
Split into simpler sentences: Methane is a greenhouse gas and, when destroyed via thermal combustion, is chemically altered to form CO2 and H2O. CO2 is 25 times less potent than methane when emitted into the atmosphere with regards to global warming.