As world leaders descend on Glasgow on Sunday for COP26, what do you need to know to make sense of the blizzard of information coming your way? Climate scientist Dr Tamsin Edwards gives Andy Bell the essential guide to everything you need to know about the UN summit, which Boris Johnson says must be a turning point for humanity. How Did We Get Here? Explaining the News is a podcast from 5 News. Join Andy Bell as he explains the world's biggest news stories through interviews with politicians, experts, and analysts. Produced by Silvia Maresca.