The gas given off by organic waste as it decays in landfill sites - so-called &quot;landfill gas&quot; - can be collected and burned to produce heat and power.
(The gas; given off; by organic waste) (it; decays; L:in landfill sites) (The gas given off by organic waste; can be collected; ) (The gas given off by organic waste; burned; to produce heat and power)
The gas it The gas given off by organic waste The gas given off by organic waste
given off decays can be collected burned
by organic waste
L:in landfill sites
to produce heat and power