In this episode, we speak with professor Martin Green from the University of New South Wales about the solar cell that's turbo-charging the take-up of solar energy around the globe.
Hosting the discussion about how Green and his colleagues developed the cell over many decades, what it means for the world and why, despite international accolades, he's not yet a household name is the environment and climate editor for The Sydney Morning Herald and The Age, Nick O'Malley.

Bob Carr on grief and 'the left-over life' after his wife's death
39:03

Courtney Barnett on songwriting, her deadpan delivery – and what she did next
35:00

Kathy Lette on female betrayal: ‘More painful than divorce’
39:08