Brown, grey, blue, green: why does the colour of hydrogen matter?

It is earmarked as a front-runner in the quest for lower carbon, but The Energy Podcast explores why all hydrogen may not be equal when it comes to meeting climate goals. Presented by Bryony MacKenzie. Featuring Dr Danielle Stewart, National Grid; Paolo Brunengo, KBR; Frank Kiesslich and Nan Liu, Shell Catalysts & Technologies.See omnystudio.com/listener for privacy information.