Trash-to-energy projects gain support on the West Coast.

Can aquaculture help save the world’s largest tuna?

Showroom stickers would rank cars based on fuel economy and emissions.

World's largest tidal power turbine unveiled in Scotland.

In Seattle, a green business finds new life in downed trees.

World's largest tent opens in Kazakhstan.

60-foot sailboat built from plastic bottles docks in Sydney.

As the federal climate bill dies, a regional alliance steps up for emissions controls.

Japanese "solar sail" propelled by the sun.

Elegance and sustainability make friends at a seaside home in Singapore.