As our hometowns pollution problem became more and more serious,some environmentalist feel obliged to do something to protect the environment to leave behind a clean living space for our future generation.they know that it will be a tough task .However,they are always clinging to the hope that they will successed.To convince officials in the government of the problem,they have accumulated a great deal of evidence.Facing the environmental policy made by the local government,the operator in possession of some heavy polluting factories complained of the injustice.they claimed to have done a lot to reduce the pollution,however,they were cornered by the environmentalists.