① What color of clothes do you think will be popular in the future? Some people think blue will be popular, because blue means peace and kindness. Everybody in the world hates war. Many people lose their family in war. Blue will make people remember to keep peaceful. Other people think green will be popular because they think it is the color of nature. Now the environmental problem is worse than before. Luckily, people in the world are thinking more about how to look after the environment. When people wear green clothes, they will keep the environment in their hearts and try to make the environment better.