Tesla shareholders have approved a pay package that could make Elon Musk the world's first dollar trillionaire. We discuss whether that’s an obscene sum or a fair reward for success.

Also in the programme: as world leaders meet ahead of the UN climate conference in Brazil, we ask a supporter of Donald Trump why the US president isn't there and why Mr Trump now says climate change is all a hoax; and the challenge of writing a piece of music to mark 80 years of Britain's Jodrell Bank Observatory.

(IMAGE: Tesla CEO Elon Musk attends a memorial service for slain conservative commentator Charlie Kirk at State Farm Stadium, in Glendale, Arizona, U.S., September 21, 2025 / CREDIT: Reuters/Daniel Cole)