AdvertisementYour Trash Is Emitting Methane In The Landfill. Here's Why It Matters For The ClimateJuly 13, 2021James BruggersPhil McKennaRobert BenincasafacebookEmailLandfills produce a lot of methane, a heat-trapping gas that contributes to global warming. With scientists calling for cuts in methane emissions, there are challenges to curbing these emissions from landfills, starting with even quantifying them. Pictured here is Waste Management landfill in Livermore, Calif. (San Francisco Chronicle via Getty Images)