Environmental protection activities are the most challenging. It takes enough courage to dissuade adults from damaging the environment in person.

In practice, we have found that rational and well-intentioned reminders tend to achieve better results than warnings, while loud scolding is counterproductive. When our dissuasion receives a kind response, what is solved is not only a problem of cigarette butts and some garbage, but also the other party's reflection and introspection on their own behavior - this can be seen from their expressions of shame that cannot be concealed. The value of textbook knowledge is no longer measured by scores, but a living tool that helps us understand society, gain insight into people's hearts, and communicate with others. This is also our unexpected realization and gain.