An International Energy Agency report calls for more research, carbon price, to help renewables compete.
An enhanced geothermal project fractures hot rocks at unproductive wells, an approach with low financial risk.
Interactions between hundreds of wind turbines make power output difficult to predict.
Digital convergence is rapidly coming to lighting as component makers pave the way for customizable, networked lamps.
Using a wind energy and expensive lithium-ion batteries, AES Energy Storage is making money by stabilizing the grid.
Those advocating limits on greenhouse gases can’t count on the weather to make their argument.
First Solar’s strong finances are helping fund innovation and drive down the cost of solar power.
Does it make sense to spend so much on already commercialized technology?
Philips seeks to replace florescent tube light with an LED using technology planned for other types of bulbs.
The effects of global warming will persist for hundreds of years. What are our responsibilities and duties today to help safeguard the distant future? That is the question ethicists are now asking.