This is the second instalment of our two-part debate, with George Monbiot, Guardian columnist, environmental campaigner and author of Regenesis: Feeding the World without Devouring the Planet, arguing for the motion We Should All Go Vegan. Patrick Holden, Founder and chief executive of the Sustainable Food Trust, argues against it. Our chair is Alice Thomson, Columnist and interviewer at The Times. Livestock farming contributes 14.5% of human-produced greenhouse gas emissions worldwide. Farm animals belch out massive amounts of methane, one of the most harmful greenhouse gases. They are also extremely wasteful of resources, using up 83% of farmland worldwide while providing only 18% of our calories, guzzling soya and grain that could feed humans more efficiently, and requiring vast amounts of water. As for our health, vegan sports stars such as Venus and Serena Williams and Lewis Hamilton prove that you can be superfit on a plant-based diet, and research has linked vegan diets to lower rates of some diseases. That’s the argument made by the vegan lobby. But there are many experts who disagree on all counts. Take the environment. Few people realise the high carbon cost of growing crops – some 15-20% of the world’s CO2 output comes from ploughing – and that plants grown for food require vast amounts of fertiliser and pesticides that are derived from fossil fuels. Who’s right and who’s wrong? We’d love to hear your feedback and what you think we should talk about next, who we should have on and what our future debates should be. Send us an email or voice note with your thoughts to [email protected] or Tweet us @intelligence2. And if you’d like to support our mission to foster honest debate and compelling conversations, as well as ad-free podcasts, exclusive bonus content, early access and much more, become a supporter of Intelligence Squared. Just visit intelligencesquared.com/membership to find out more. Learn more about your ad choices. Visit podcastchoices.com/adchoices

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“What did the council decide on item 42?” — answered with the speaker and the moment.

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