View of the 207m chimney stacks of Poolbeg electricity generating station from Dollymount, Bull Island, Dublin. The energy generating power station is Ireland's second most polluting installation in terms of carbon dioxide, co2 emissions. Bull Island is a UNESCO protected biosphere reserve in the Northern suburbs of Dublin. It features two golf clubs, and Dollymount beach, used for kitesurfing and other outdoor activities. Wildlife includes seals and bird life.