What type of leadership does the world need to tackle global warming? Amol Rajan discusses whether people with power are doing enough to solve the climate crisis. Are politicians just too focused on the ballot box to take long term decisions? What about the role of celebrities and business...

Will technology and innovation slow down or even reverse climate change? Amol Rajan looks at some of the existing innovations that could help reduce greenhouse gas emissions, and also at some of those still being developed. He asks whether we're relying too much on the promise of technology that...