The "three principles" refers to the pollution prevention and control of solid waste using the guiding ideology and basic strategy of minimization, resource utilization and harmlessness.
Reduction: Reduction means taking measures to reduce the amount of solid waste generated and maximize the rational development of resources and energy, which is the first requirement and measure to control the pollution of the environment by solid waste.
The development mode of rough operation should be changed to encourage and support the development of clean production, development and promotion of advanced technology and equipment. In the case of units and individuals generating and discharging solid wastes, the law requires them to rationally select and utilize raw materials, energy and other resources, and to adopt production processes and equipment that minimize the amount of waste generated.
The Law of the People's Republic of China on the Prevention and Control of Environmental Pollution by Solid Wastes:
(Adopted at the Sixteenth Meeting of the Standing Committee of the Eighth National People's Congress on October 30, 1995 Revised for the first time at the Thirteenth Meeting of the Standing Committee of the Tenth National People's Congress on December 29, 2004)
According to the third meeting of the Standing Committee of the Twelfth National People's Congress on June 29, 2013 "on the revision of the Chinese People's *** and the State Law on the Protection of Cultural Relics, etc. twelve laws," the first amendment according to the twelfth National People's Congress Standing Committee of the fourteenth meeting of the Chinese People's Congress on April 24, 2015 "on the revision of the Chinese People's *** and the State Law on Port 〉, and other seven laws for the second time.
Reference to the above: Baidu Encyclopedia - Law of the People's Republic of China on the Prevention and Control of Environmental Pollution by Solid Wastes