Eight UK teenagers investigate the causes of deforestation threatening the habitat of the lemur and discover there are no simple solutions. STEVE BACKSHALL: This is Madagascar. It’s a vast ...

Ash: How can they do that?! Ivy: Ahah! So there is something you don't know. Ash: I can't believe they're tearing apart the forest! Ivy: Well they have to clear some space to build these new houses!