Around $1.8 trillion will be spent this year on technology that will make the planet more resilient to climate change. That's a lot of money for the thousands of startups in the cleantech space. But can these businesses really reshape the future? We look at the promise and problems of the cleantech sector.
It's a race against time and more and more governments and companies are responding with pledges or actions to prevent climate change. This series dives deep to understand just how credible and serious these efforts are.