A bunch of innovations are taking place in the world of solar power, writes Zachary Davies Boren - and one or more of them could just propel the technology from providing just 1% of the world's electricity, to dominating the world's energy supply. Provided they work ...
If the world is to hit crucial climate change targets, emissions must reach 'net zero' much sooner than previously thought, by 2055-2070, writes Helle Abelvik-Lawson - and then go into reverse as we pull CO2 out of the atmosphere.
