Patricia Wright is a lemur researcher and conservationist who has done pioneering work in Madagascar. Here is a recent interview with her by the NY Times. She is hopeful about the future of some lemur populations and the prospect for reforestation.
http://www.nytimes.com/2014/08/19/science/a-rescue-mission-in-madagascar.html?ref=science&_r=0
http://www.nytimes.com/2014/08/19/science/a-rescue-mission-in-madagascar.html?ref=science&_r=0