In my opinion, saving the world is easy if you follow these are three ways. First, we have to help cache other get rid of waste and wastewater. Also, recycler as much as you can – paper, glass, plastics, cardboard, newspapers, magazines, compostable food. Next, we should take care of forests. For instance, we must try not cut down tree because deforestation is one factor that can affect global warming. Moreover, if we are free, we should fill our free time with tree planting as reforestation is a good way to keep the planet healthy, and it can greatly help reduce global warming and it’s a great way to save the earth’s oxygen. Finally, we should saving the world by to help save energy by turning off electricity not in use and select the device power and energy efficiency. In addition. Save energy the use of renewable energy is another to save energy such as hydropower, wind power and solar power. In conclusion, if we follow these three ways, we can save the world for sure.