A new startup, backed by Bill Gates’s Breakthrough Energy Ventures, is producing the ubiquitous building material in a way that doesn’t release huge amounts of CO2.
The Communist Party has made great strides in reducing China’s pollution, but a perfect storm of northern winds and an industrial rebound has created dangerously high levels of pollution countrywide.
Using mirrors to concentrate solar power isn’t new, but now the tech can push temperatures high enough to be used for manufacturing things such as steel and cement.
