yvonne schulze is the ship's environmental officer.ight now, she needs someone to help her translate. 30 tons of glass, paper and scrap metal have accumulated over the last 48 hours. yvonne schulze needs to rely on her partners on dry land when it comes to disposing of the ship's refuse. to be on the safe side, she writes everything down. >> i make a lot of notes about how much waste we dispose of so we have a record. i compare it to the receipt that we get later, when we're finished. we don't want anyone ripping us off. >> environmental waste management is a matter of course in northern europe, but not in the mediterranean. >> it's difficult. there tends to be a bit of mafia influence in ports in italy. >> the last time she was here, she left some copper. today she wants to be paid for it. but the italians aren't being very helpful. an interpreter is needed. meanwhile, we're put in our place. we are not allowed to go on land. the only way on and off the ship for passengers -- and for us -- is through the gates. that also applies to vi