For centuries,human is solely responsible for deteriorating ecosystems.Each person should know how to contribute their help for nature, it will be helpful to the society in all the ways.Some people claim that high school schedules should contain community services such as working for a charity, improving the neighbourhood or teaching sports to young children.I completely agree with this statement by these adolescents will benefit society as well as the environment.Then ,below ,paragraphs will explain the given statement.