By Liz Horton, WTVD-TV Raleigh-Durham.
Deep in the piles of trash at our area landfills lies a potent greenhouse gas: Methane.
Its global warming potential is 25 times greater than carbon dioxide alone. But if used in the right way, methane can also be converted into renewable energy.
That's exactly what John Roberson, head of Wake County Waste Services, is doing in Apex.