
Can Flywheels Help Balance Electricity Supply and Demand?
Beacon Power hopes to demonstrate the feasibility of the old technology to help balance fluctuating inputs from renewables

Can Flywheels Help Balance Electricity Supply and Demand?
Beacon Power hopes to demonstrate the feasibility of the old technology to help balance fluctuating inputs from renewables

Governors Call for Carbon-Neutral Buildings
Next step could be "green" building codes in every state

Wal-Mart Requires Suppliers to Reveal Environmental Impacts
Product labels will list emissions, waste and water ratings

Virginia Joins the Rush to Install Smart Meters
Power grid could transform quickly

Smart-Grid Technology Spreading Widely
Ohio, Florida, Texas jump in

Can Space Travel Be Environmentally Friendly?
Richard Branson and Virgin Galactic aim to make it so

Can Solar Power Resurrect the Housing Market?
A Florida developer is banking on solar power to lure new home buyers

How Will the Global Economic Crisis Affect China's Pollution?
Pollution may go down as economic output slows, or up as the government stimulates polluting industries

Major ethanol producer to build cellulosic refinery in Iowa
Millions in government grants go to start the state's first commercial refinery for ethanol made from cobs and grasses