Inside the experiment to study how sheep are contributing to climate change. When it comes to greenhouse gases, ruminants – cud chewing animals - are a major source. So what should we do about it? Sky News' science and technology editor Tom Clarke explains. SUBSCRIBE to our YouTube channel for more videos: null Follow us on Twitter: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews Follow us on TikTok: https://www.tiktok.com/@skynews For more content go to http://news.sky.com/ and download our apps: Apple https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB Sky News Daily podcast is available for free here: https://podfollow.com/skynewsdaily/ Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí: https://www.youtube.com/channel/UCzG5BnqHO8oNlrPDW9CYJog Sky News videos are also available in German here/Hier können Sie außerdem Sky News-Videos auf Deutsch finden: https://www.youtube.com/channel/UCHYg31l2xrF-Bj859nsOfnA To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales