The UN Climate Change Conference - COP 25 - has been taking place in Madrid. The purpose of the conference is to take the next crucial steps in implementing the global carbon-cutting proposals agreed 4 years ago in Paris. But where are we on the road towards a carbon-neutral future, and what's it going to take to get there? Chris Smith talks to two climate change experts, Camrbidge University's Eric Woolf and Eliot Whittington... Like this podcast? Please help us by supporting the Naked Scientists