1972 On June 5th, the United Nations held the first conference on human environment in Stockholm, put forward the slogan "There is only one earth", designated June 5th as World Environment Day, established the United Nations Environment Programme, and promulgated the Declaration on Human Environment.
In the mid-20th century, science and technology further promoted the rapid economic development of developed countries. While people enjoy the convenience brought by science and technology and the prosperity brought by urbanization, they also see and feel more and more environmental problems.
The harsh reality makes people realize that unreasonable utilization and destruction of natural resources and ecological environment will bring harm to human survival and development. The voice of paying attention to the living environment of human beings is growing. Beijing and Shanghai have basically established a regional epd education organization network at the city, district and school levels. The network of educational organizations of the Environmental Protection Department in other regions is under construction.