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Join award-winning environmental journalist Tim Smedley as he discusses his book Clearing the Air: The Beginning and the End of Air Pollution. Tim travelled the world to understand what air pollution is, where it’s coming from and, most importantly, what we can do about it. His subsequent book was shortlisted for the Royal Society Science Book of the Year, 2019. Tim will also talk about his second book project, currently underway: The Last Drop: Solving The World’s Water Crisis. Here he looks at how changing weather patterns and wasteful water use is leading to dying rivers and drying taps.