THE excellent idea must have stemmed from Cathay Pacific's chummy and much travelled chairman Peter Sutch not knowing what to do with all those foreign coins jangling in his pocket. For, from tomorrow, on all its long-haul flights, the airline will collect the loose change that travellers do not want to lug around. The benevolent scheme - called Change For Good - sees the airline in partnership with UNICEF to help children around the world. Over the next four months all Cathay passengers will receive envelopes from the United Nations-run charity during the flight to deposit their unwanted coins and hand over to the crew. Cathay launched a similar programme last year, although on a much smaller scale, and raised $1.48 million for UNICEF. Someone from Cathay has done some research and told us that almost US$40 million (HK$310.16 million) is carried around in loose change by air passengers each year. Now that is a nice little nest-egg for any charity to tap into.