The U.S. has been slow to embrace the technology, even though Japan and China are zooming ahead
A number of studies about number two
Researchers built a small, flexible device that harvests wi-fi, bluetooth and cellular signals, and turns them into DC electricity. Christopher Intagliata reports.
Several companies are diversifying their businesses, from biofuels to electric vehicles
Ultra-high-voltage direct current takes electricity farther with less loss.
An international fusion project could help the nation eventually develop its own, smaller reactor
Energy economists say the new home requirement is inefficient and benefits wealthier people; supporters say it’s just one piece of the puzzle
The lithium-ion batteries that underpin so much modern technology are nearing their developmental limits, which is why battery scientists are looking beyond lithium.
One power company announces a goal of 100 percent clean energy as a near-record number of coal-fired power plant close
Scientists are developing flexible, thin-films that will be more resilient and have wider uses than current solar technology
A new climate plan also includes measures to make the hurricane-battered island more climate resilient
Wind and solar costs have plummeted, but global energy demands will continue to rise
Wind farms can cause a cascade of ecological effects, but are still needed to provided cleaner energy supplies
Statewide proposals on ways to tackle greenhouse gases, renewable energy and Medicaid expansion will be voted up or down on Tuesday
Florida has lagged in renewable energy use, but declining solar costs are set to change that
Palau, under threat from sea level rise, wants to have 70 percent renewable energy by 2050
The National Transportation Research Center develops technology that informs tailpipe emissions standards
Its health system lacks the capacity to respond to attacks that use high-powered modern weapons
Ice jams and bird and bat deaths will determine the answer
Eight graphs tell the story; see for yourself