It has been billed as hugely important in the fight against climate change. But what exactly is carbon capture and storage? How can it help meet the Paris Agreement goals? And why are there fewer than 30 working projects around the world?

Presented by Kunal Dutta. Featuring Stuart Haszeldine, University of Edinburgh (UK); Simon Holmes à Court, Melbourne University (Australia); Anne Halladay, Quest & David Hone, Shell.