rahul has to wait another few days before he can join the others.e's given a tattoo so that the conservationists can identify him once he's released. >> these are the lucky ones. they're also effectively refugees from a jungle that no longer exists. >> in a year's time, rahul will be released back into the wild -- his destination still undetermined. his forest is gone. he can never go back home. >> next time on global 3000 -- visiting an indonesian refuge once myself, i was surprised to see orangutans destined to return to the wild, sitting there and watching every move of their guards all day. orangutans are said to be one of the most intelligent primates -- and also very social and curious as i could see. >> well, next week we will continue to look at the challenge of managing natural resources and protecting our climate. in and around beijing we discover how professional waste management expertise is helping to reduce co2 emissions. here german know-how may soon make a difference in wider parts of china. >> that's it from me and the entire global