reporter: this region in western madagascar needs more attention. have helped set up a nursery where the first seedlings are being planted. the rapidly growing trees will alleviate pressure on the forest. peter kappeler has promised to donate 30 cents for each tree that is still here in a year. peter kappeler: this is just a drop in the bucket. there are so many children here, and the only hope is that we can raise awareness among them and make sure that they look after the trees. that they develop a sense of responsibility for nature. otherwise, it won't work. reporter: the researchers will continue their efforts. for moritz, too. he's woken up, set free, and able to return to his group. preserving the kirindy forest is essential. otherwise, the lemurs have no chance of survival. anchor: and that's all from "global 3000" for today. we're back next week when we hope you can join us again. we always enjoy hearing from you, so do write to us at global3000@dw.com or on global3000@dw.com or on facebook. - [voiceover] this program is made possible in par

western oklahoma, extending into colorado. here's the extended outlook. >>> that wraps up this edition of nhk's "newsline." i'm catherine kobayashi in tokyo. thanks for joining us. anchor: this week, "global 3000" goes to madagascar, where increasing deforestation is threatening the survival of lemurs. we meet people campaigning for artistic freedom in saudi arabia, one of the most authoritarian countries in the world. but first we go to chernobyl in ukraine, where 30 years since the nuclear disaster there, people are choosing to live in the "dead zone" around the power station. why? on april 26th, 1986, problems arose during a systems test of reactor 4 at chernobyl power station. the shift supervisor attempted an emergency shutdown -- but it went wrong. the result -- a meltdown t