The high-tech giant sources 3.1 billion kilowatt-hours of electricity from a wide portfolio of clean energy projects including solar, biogas, biomass and wind.
As the global warming debate rages, Heather Clancy chronicles the smart grid, electric vehicles, alternative energy, green IT and other developments shaping the green technology movement.
Heather Clancy is an award-winning business journalist specializing in transformative technology and innovation
As you might expect, California shows up high on the list of states where purchases of plug-in hybrids and electric vehicles are especially likely. But so does oil-dependent Texas.
The StreetSense LED Roadway Sign Light is meant to illuminate road and infrastructure signage.
The thin-film technology could by affixed to military helmets or onto mobile phones, in order to charge gadgets on the go.
Computer simulations are widely used for researching climate change. Now scientists hope to apply similar techniques to improving our understanding of biodiversity.
Corporate interest in managing utility costs is driving unprecedented innovation, as well as significant mergers and acquisitions.
The Internet giant seeks to influence revisions to regulations and policies written for "last century's grid."
The latest round of funding focused on a Texas farm puts the Internet giant's investment in renewable energy projects at more than $1 billion.
In less than 24 hours this week, crowdfunding site Solar Mosaic raised more than $313,000 for four installations on affordable housing.
Pedestrians are used to listening for vehicles at intersections, which poses an interesting dilemma when it comes to quiet electric engines.