Harnessing thermal energy from sewage decreases the demand for natural gas and could remove up to 54.7 million metric tons (about 60.3 million tons) of planet-warming gases every year — the equivalent ...

A new project at a small landfill on Minnesota’s Iron Range is simultaneously helping to tackle two of society’s most vexing ...

Gabon holds a referendum Saturday on a new constitution that the junta calls a "major turning point" after a coup that brought the curtain down on 55 years of rule ...