A perfect and effective water-saving system is key to realizing the goal of water saving in the long run and it is also the basic principle for protecting national water security.

National water security constitutes a major part of national security, relating to national resources security and ecological security, as well as national economic security and social security.

Punitive damages to infringement of IPRS constitute a major part of modern intellectual property protection system.

In China, the highly productive, widely distributed and various types of straw resources can be used as fertilizer, fodder, stroma, fuel and raw materials.

China has, in the field of shale gas development, made great achievement in evaluation of resource potentiality, core technology, equipment system and enhancement of basic theory.

Reclaimed water, also known as the "second urban water resources", plays an important role in solving problems such as water shortage and pollution to water environment.

In the 13th Five-Year Plan period, China's economy will perform in a state of new normal in which opportunities of environmental management will coexist with challenges.

According to the results of the sixth national census in China, more than 13 million people are unregistered residents.