How do you solve a problem like CO2? As the curtain closes on the world’s most important climate summit, we talk to a scientist who was at COP 28 and is working to solve our carbon dioxide problem. Professor Mercedes Maroto-Valer thinks saving the planet is still Mission Possible - but key to success is turning the climate-busting gas, CO2, into something useful. And as Director of the Research Centre for Carbon Solutions at Heriot-Watt University and the UK’s Decarbonisation Champion, she has lots of innovative ideas on how to do this. She also has a great climate-themed suggestion for what you should say when someone asks your age… Produced by Gerry Holt
Neil de Grasse Tyson on Pluto
Richard Morris on how we know where we are
Julia Higgins on polymers
Roger Penrose on black holes
Lynne Boddy on Fungi
Ian Wilmut on Dolly the sheep
Frans de Waal on chimpanzees
Trevor Cox on sound
Georgina Mace on threatened species
Faraneh Vargha-Khadem on memory
Hazel Rymer on volcanoes
Nick Davies on cuckoos
Sheila Rowan on gravitational waves
Marcus du Sautoy on mathematics
Lawrence Krauss on dark energy
Carolyn Roberts on flood control
Helen Sharman, the first British astronaut (2016)
Venki Ramakrishnan on ribosomes
George Davey-Smith on health inequalities
Dr Nick Lane on the origin of life on earth
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