the small island of koh klang is just a few kilometres away. but there's not a trace of dense greenery here. the habitat is largely destroyed. the mangroves had to make room for ponds like this. decades ago, they were set up all over the island to raise shrimp. back then, that was profitable. nowadays thailand's shrimp business is firmly in the hands of large farms on the mainland, so many of the ponds on the islands lie idle. and that's just where conservationist jaruwan enright sees an opportunity. she wants to transform the ponds bit by bit back into mangrove forests. the ground has to be neither too moist nor too dry, so sometimes a little help is needed. >> some areas might have standing water, so we try to get all the water out, so that's why we don't want to have the water standing all the time even when it's low tide. so we like to drain all the water out because the mangroves don't like to grow where it's too wet. >> for four years, enright has been tirelessly on the road on behalf of the ngo mangrove action project. the thought of tur

environmentalists are fighting to reinstate mangrove forests in disused breeding ponds on the island of koh klang we go to chile, where a dramatic algae plague has destroyed millions of a a creares,s, a left fishehermen fighting for their livelihoods. but first, we're in pakistan. minimum wages, employee rights? not in pakistan's brick factories. here, people are modern-day slaves. despite a worldwide ban on slavery, estimates suggest there are 45 milli

environmentalists are fighting to reinstate mangrove forests in disused breeding ponds on the island of koh klang we go to chile, where a dramatic algae plague has destroyed millions of sea creatures, and left fishermen fighting for their livelihoods. but first, we're in pakistan. minimum wages, employee rights? not in pakistan's brick factories. here, people are modern-day slaves. despite a worldwide ban on slavery, estimates suggest there are 45 million people around the globe working under slavelike conditions -- in the construction industry, as

environmentalists are fighting to reinstate mangrove forests in disused breeding ponds on the island of koh klangwe go to chile, where a dramatic algae plague has destroyed millions of a a creares,s, a left fishehermen fighting for their livelihoods. but first, we're in pakistan. minimum wages, employee rights? not in pakistan's brick factories. here, people are modern-day slaves. despite a worldwide ban on slavery, estimates suggest there are 45 mon