Charcoal studied for landfill methane containment
Tuesday, March 13, 2012 - 14:30
in Earth & Climate
Methane, a potent greenhouse gas that's more than 20 times more effective at trapping atmospheric heat than carbon dioxide, slowly leaks from old, abandoned landfills and town dumps. Researchers are now testing inexpensive biochar as a landfill cover ingredient to keep escaping methane in check.