Technology and geopolitics are driving ambitious deep-sea projects to provide clean energy to parts of the world that desperately need it.
China generates only about 2 percent of its total electricity using nuclear power, but it is adding new reactors much faster than any other country.
Record low auction prices indicate an unsustainable solar rush is accelerating.
The successful launch of a 3-D-printed drone from a ship shows a possible route to cheaper autonomous aircraft.
Founded by Americans, Promethean Power brings a thermal battery system to small dairy farmers in India and Bangladesh.
Rex Computing’s 19-year-old founder has a plan to dramatically cut the energy used by powerful computers.
Despite massive resources all over the world, only three countries have managed to produce shale gas at commercial scale.
As solar and wind gain wider use, rapid advances in climate forecasting could save money for utilities and ratepayers.
Giving up on climate change means giving up on being human.
Efficient Power Conversion has launched gallium nitride chips that promise higher efficiency and lower cost than silicon.