will actually start to make a difference. and also there is huge pressure from other world leaders to stop that deforestation. >> what i didn't see and maybe you have the details, pro first, is whether meat consumption, beef production, of course, the biggest driver of deforestation, whether that is included here. having reported on deforestation in brazil, this is something that kept coming up. >> well, i think the important thing to realize is that we actually produce enough food in the world to feed 10 billion people. there are only 7.9 billion. so, actually the argument that we have to deforest vast areas to actually grow food, et cetera, is a false one. what we really need to do is rethink our agriculture so we can use the food we already produce more fairly and distribute it better. so i think that's the key. actually understanding agriculture and that system. >> professor, thank you very much, sir, for your perspective. now, officials in china said