Biogas collected from inside the regional landfill is burned on site to reduce greenhouse gas pollution, but work is underway to instead harvest and convert that byproduct into usable energy.
Roanoke Valley set to participate in DEA National Prescription Drug Take Back Day wdbj7.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from wdbj7.com Daily Mail and Mail on Sunday newspapers.