A giant, balloon-like tarp stretches over a lagoon of manure on a Central Valley dairy farm, concealing a quiet but remarkable transformation. Methane, a potent climate-warming gas, is being captured and cleaned instead of released into the atmosphere.
  • Twosheds@lemm.eeEnglish
    2·
    3 个月前

    This is old news. This type of plug flow digester has been around since the mid eighties. Still a good idea for farms.