Millions of the world's poorest lack power. Microgrids could be a clean-energy solution.
Carbon dioxide injected into a geothermal reservoir would be stored permanently by turning into rock.
A new battery design could lead to a cheap way to address the intermittency of solar and wind power.
Big data and artificial intelligence are producing ultra-accurate forecasts that will make it feasible to integrate much more renewable energy into the grid.
The economics of combating climate change may depend on an underfunded technology.
Because China relies so heavily on coal for power, electric vehicles aren’t necessarily an improvement over gasoline-powered cars.
A U.N. climate report says we’ll overshoot greenhouse gas targets, and will need new technologies to make up for it.
Tesla’s audacious plan to build a giant battery factory may mostly be a clever negotiating tactic.
Stanford researchers develop a copper catalyst that can efficiently convert carbon monoxide and water to ethanol.
Three years after the Fukushima disaster, some countries are pulling back from nuclear power while others grow capacity.
New solar thermal technologies could address solar power’s intermittency problem.