► Read more at https://on.ft.com/2NLXdaC<br /><br />Animal agriculture represents a quarter of global greenhouse gases. FT reporters examine the environmental case for going vegan, whether the City could be part of a move away from animal products and how difficult it still is to turn to a plant-based diet.<br /><br />► Subscribe to FT.com here: http://bit.ly/2GakujT<br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes