Living on a island ,surranding by the sea,with green trees standing everywhere,my hometown is very famous and attracted many tourists. However ,the environment is seriously polluted because of too many tourists at the end of last century. As time went by ,the government begins to realises the bad situation and take some measures ,for example ,limiting the number of tourists on the island.At the same time ,our people also bagin to pay atteention to environmental protection.Now the island is back to its original beauty . So ,what is your suggestions on environmental protection?