Recent data clarify the trends causing emissions to shrink to their lowest level since 1995.
Ambri raises money to build a commercial-scale factory for batteries that promise low-cost, multi-hour energy storage for the grid.
Coal power plants in Saskatchewan and Mississippi will limit emissions, thanks to special circumstances.
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.
We should think sensibly about nuclear energy’s risks.
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.