Human beings live in the realm of environment.They are constantly surrounded by it and interact with it.To some extent,man is not only a dweller in the environment,he also transforms it.For e
xample,if a person wants to live,he needs water,air,food and so on.And all of these he needs to acquire from the environment.In a word,man can’t live without the environment. But as time goes on frequent disasters global climate changes,which have threaten human health,security and survival.And mankind becomes increasing concerned with this question.Protecting the environment is a top priority to prevent natural disasters while reducing carbon emissions is a good measure to prevent global warming.People need to take actions to do many things.First of all,they should prevent the forests being destroyed and the area of farmland increased.Secondly,people have to deal with the problem of eliminating industrial waste.In addition, the government needs to appeal people to protect the environment. As college students,we can exert our efforts to protect the environment by doing some simple things.For example,never use disposable chopsticks or cups,make full use of every piece of paper and so on.What’s more,we can try to persuade others not to set off fireworks. If everyone can do some things to protect the environment,we can make a difference,as every little makes a mickle.