"It's possible to rehabilitate large-scale damaged ecosystems." Environmental film maker John D. Liu documents large-scale ecosystem restoration projects in China, Africa, South America and the Middle East, highlighting the enormous benefits to people and planet of undertaking these efforts globally."
More information:
http://eempc.org/
What If We Change social media project:
http://www.whatifwechange.org
Great 47 minute introduction to major (Permaculture-ish) ecosystem restoration projects all over the world. Towards the end there is conversation between John Liu and Geoff Lawton.