Sustainability

US Army builds its own clean-power grids

Chinese amateur inventor creates his own EV

Solar-powered robot sailboat aims for world record

Biofuel steam locomotive tomorrow’s cleaner mass transit?

Audi hybrid set for Le Mans 24 Hours debut

Captured CO2 + geothermal = ultra-clean power 


Marines may soon carry solar backpacks

Porsche 918 Spyder hybrid another 1 percent green car

Geothermal power growth expected to stay hot

Melancholia: The psychology of climate change awareness