saving paradise, what makes mauritius a laboratory of conservation. and laughing as a recipe for life, we meet the man who makes that work. now, despite better human rights protection on paper, the un estimates that in many countries the number of young girls forced into marriage is actually on the rise. some 35 underage girls get married every day. and although most countries have outlawed the practice, child marriage is still common in some 100 nations around the globe. the top offenders including niger, chad and bangladesh have two things in common -- high poverty and low literacy rates. so what is a bangladeshi girl to do if she desperately wants to avoid that fate? in one region, at least, she can call the wedding busters. and this is what they do. >> these kids are out to make a difference. they're children who refuse to be robbed of their childhood. the wedding busters work to prevent child marriages in rural areas in the far north of bangladesh. they're daring, and for that they are admired, and also a little feared. shirin has been taking par