l look at how lives d livelihood arere destroyed in bagram-, mexico, -- in bangladesh, mexico, anand italy. >> offered in restaurants, sold in stores, tropical proms are a popular choice for food a aoss the e western world today. how did this become affoordable? at what t cost? naturedishsh society for conservation travelled to bangladesh to find out who is really paying the price for our new standard of tropical prawns. the region in southwest bangladesh is the country's leading producer o of prawns for export. it is at the center of a ststruggle, pitting thousands of impoverished people who are fighting to conserve the natural resources and l livelihood agait the might of the prawn industrt. a a farmer by profession, like countless others, s she lost her familyly's land to shrhrimp far. flooded with salt water to aggressive shrimp farmers, families once fertile landd lies under a pond. she is not alone. >>>> [speakining foreign langua] >> it is not just the communities where they are cultivated that it is threatened. the rivers of this region flow a place forest, providing fofor river do