The environment pollution is so dangerous for people all the world. There are three problems about cause of thế environment pollution such as by people, by vehicles, factories and by deforestation. Firstly, by awarding of people because people throw put garbage everywhere, so we are award of environmental protection. Secondly, by vehicles descharge dust and smoke into environment, by factories dump waste poison out, so we should ride a bike instead of travelling vehicles or take public transpotaiton instead of driving a car. Finally, by deforestation, people have burned the forest for their own benefit. If we do harm forest, we will reduce the amount of air. We can solve these problem as follows install pollution control devices, conserve wild life, keep clean environment and plant more tree