>> we visit the chairman of jetwing at home. hiran cooray is one of the most powerful men in sri lanka's tourism industry. his father herbert set up the company in the 1970s. even back then, the business was envivironmentally minded.. >> my father always believed, when wherever we go and build hotels, we go in as strangers to that area. so for him it was important that we look after that environment and also that the local communities benefitted, from whatever he was doing () the hotel chain is a proper family business. two of cooray's three sons also work in the company. and being green is a private goal as well. their home is also powered by solar energy. negombo, a pictuturesque port n the west coast. there are five jetwing hotels in the surrounding area. the island's electricity grid may look old-fashioned. but about 30 percent of sri lanka's electricity already comes from renewable sources -- mainly hydropower. so in seeking to be carbon neutral, jetwing isn't starting at zero. air conditioning accounts for over half the en