Chem

The cost of managing waste sludgeJanuary 12, 2016

Rose Lenihan on the challenge of the cost of transporting waste sludge to central hubs and the infrastructural cost of increasing storage at hub sites...
Elec

Vast energy value in human wasteDecember 8, 2015

Safe, systematic collection of human waste in low-resource countries could yield valuable fuels, invaluable health and environmental benefits...