A warm welcome to the programme, briefing you on all you need to know in global news, business and sport. And you can be part of the conversation. Wed like to hear from you about the uns call for us to change our diet to combat Climate Change. Would you consider a more plant based diet and eat less meat to save the planet . Have you already made a change . Get in touch. Just use bbcthebriefing. Lets begin with that question. How much are you prepared to do to help combat Climate Change . Un scientists are set to urge people to help by cutting down on meat and switching to plant based diets. But the experts, due to release their findings in a few hours, will stop short of calling on people to adopt vegetarian or vegan lifestyles. Heres our environment analyst roger harrabin. This alpine landscape was once covered by forest. The trees it sucked Carbon Dioxide from the atmosphere and regulated the climate. Then humans cleared some of the land for food. But cattle then humans cleared some