There are different kinds of pollutions in China. The rivers have been known to be heavily polluted by different kinds of toxic chemicals from uncontrolled industries such as petrochemcial, insecticide, leather, electronics, ...
The soil in some areas are so polluted so that vegetables growing on it carries heavy metals and other poisoness chemicals. It has been known that the cancer rates in some areas are extremely high and still rising.
Mainland China is the number one polluter in the world. It is number one in the emission of nitrogen dioxide, sulfur dioxied, carbon monoxide, and ozone. These are all poisonese gases. China has been known to have polluted the air of it neighboring countries, such as South Korea, Japan, and Taiwan, and also its so-called special administration regions Hong Kong and Macau.
The air pollution in China is really a sin. The Mainland Chinese communist totalitarian government has been corrupt. This incompetent government together with some heartless factory owners and private power plants have been polluting the world by using low-grade coal and not using proper filters.
Mainland China has been expanding its military budget ever since. It possesses a lot of weapons of mass destruction, even trans-pacific missiles that can attack the west coast of the U.S. It has also been supporting nuclear tests of North Korea in addition to helping North Korea to engage in money laundering activities that fund the purchase of its new weapons and its nuclear facilities.