Nowadays, environmental issues are becoming more and more severe and start to affect our daily lives, such as climate change, flooding, and heatwaves. Most of the people on the earth are concerning those problems and taking action to ease this situation. But, there are still a number of people who do not care about this and do not want to take responsibility. In the following, I would like to give some reasons and suggestions about how to encourage people to start to protect our nature.