New open-source platform will measure the actual benefits, rather than the projected savings, associated with building upgrades.
As corals die off worldwide, scientists are devising technologies to save—or regrow—them.
The rapid growth of wind and solar power in the states is wreaking havoc with energy prices.
The Arizona company is betting that cadmium telluride solar cells could leave silicon in the dust.
GE sees its new turbine as a strong rival to batteries for storing power from the grid.
SunEdison’s collapse and mounting losses elsewhere are causing solar developers to change course.
By acquiring Sharp, the iPhone manufacturer has bolstered its ambitious renewable energy plans, which include big solar deals in China and India.
EV batteries have to get a lot cheaper by 2017 if the Model 3 is to live up to its billing.
Barack Obama has made nuclear security a centerpiece of his administration, but experts say the risk of nuclear terrorism is ratcheting up.
There are alternatives to the wastewater injection that causes earthquakes and contaminates groundwater.