Marine pollution has become a global environmental problem, which has a serious impact on marine ecosystem, human health and economic development. There are many reasons for marine pollution, including industrial emissions, agricultural pollution, urban sewage, ship pollution and so on. So, how do these pollution sources cause marine pollution?
Industrial emissions: Many industrial production processes will produce a lot of wastewater and waste gas, which contains a lot of pollutants, such as heavy metals, organic matter, inorganic matter and so on. These pollutants directly or indirectly enter the ocean, causing serious damage to the marine ecosystem.
Agricultural pollution: fertilizers, pesticides and livestock manure used in agricultural production enter rivers and lakes through surface runoff and underground leakage, and then enter the ocean. These pollutants are toxic to marine life and destroy the marine ecological balance.
Urban sewage: urban sewage is discharged directly without proper treatment or treatment, and contains a large number of pollutants such as organic matter, heavy metals and nutrients, which has a serious impact on the marine ecosystem.
Ship pollution: Oil pollution and garbage generated in the process of ship transportation are directly discharged into the ocean, causing damage to the marine ecosystem.
Third, to sum up.
To sum up, there are many reasons for marine pollution, including industrial emissions, agricultural pollution, urban sewage, ship pollution and so on. These pollution sources not only have a serious impact on the marine ecosystem, but also have a negative impact on human health and economic development. Therefore, we need to take effective measures to reduce the harm of these pollution sources to the ocean.
Fourth, the legal basis
"People's Republic of China (PRC) Environmental Protection Law" stipulates: "The state takes measures to prevent and reduce all environmental pollution and ecological damage." At the same time, the Marine Environmental Protection Law of the People's Republic of China also stipulates specific measures and legal responsibilities for preventing and reducing marine environmental pollution. These laws provide a strong legal guarantee for the protection of the marine environment.