We all know about photovoltaic solar panels. But there's another, almost forgotten type of solar energy: concentrated solar power. Its big advantage is that it can store the sun's heat for a long time and turn it into electricity when needed – for example at night, when normal solar panels lie idle. Is it set for a comeback?
We're destroying our environment at an alarming rate. But it doesn't need to be this way. Planet A explores the shift towards an eco-friendly world and challenges the way we are dealing with climate change.