The world's clean energy superpower also emits the most CO2. But coal-fired power may have peaked as China electrifies its economy with ever more renewables.
Researchers warn of a ‘real risk’ of unsafe conditions, with matches in Miami most likely to be affected, but the picture is mixed across the 16 stadiums.
Stardust Solutions says its tiny spheres can reflect the sun’s rays without harming people or the environment. Critics say private companies have no business altering Earth’s atmosphere.
Snow and rain in the American West is concentrating at one of the highest rates in the world, with implications for ecosystems, water management, and this year’s El Niño.
The US government is no longer guaranteeing funding for the nation’s largest manure digester project that was years behind on paying its loans, but the troubled government loan program that had backed that project and many others remains on hold.
It’s a nightmare faced by families all around Los Angeles: After wildfire smoke blanketed homes, schools and offices with toxic chemicals, when is it OK to go back?
