'Data furnaces' tap heat-generating computer servers to warm houses

Corporate behemoth to build America's largest solar panel plant in Colorado

EnviroMission project will be twice the size of the Empire State Building

Germany looks to make dirty tech turn green

Architect Matt Hofmann sizes down.

Derek Diedricksen's salvaged material micro-shelters have mega-charm.

NYC looks to the renewable energy potential of sewage treatment.

Financing models make going solar affordable.