It is observed that schools play an important role in the learning process, and
housewives also have important positions in practicing. Housewife is a very powerful
group when talking about social participation. There are more than 20 million
housewives in Japan, and they pay more attention on living environment than the
other groups. These housewives not only follow the fixed rules, but also take part
actively in waste recycling and even initiate or join some related activities as
voluntaries.