Technological inflection points can be like the proverbial London bus; you wait ages for one to arrive and then three come along at once. Such is the situation in China's clean energy industry, where three big shifts currently underway may yet help to save the planet.
As the world's biggest polluter, China is often painted as an unalloyed climate villain by "Extinction Rebellion" protesters and other activists in the West. But the truth is less convenient and more nuanced. As well as being the biggest emitter of carbon, China is also the world's leader in clean tech.