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It is no secret that the oceans play one of the most important [result|international|roles|pollution|reduce|cities|oil] in the functioning of the biosphere. The oceans produce 70% of all oxygen on earth. This occurs as a result of plankton photosynthesis. The ocean also substantially determines the climate and the weather on land. The world ocean, with its oceans, closed and semi-closed seas, is the most important source of life-support system on the planet. It is not only about food, but also about a variety of resources, such as gas, oil and energy.

At the moment, the pollution of the world's oceans has reached a critical point. Especially dangerous is oil and radioactive contamination. The countries of the world are actively working to create legal protection mechanisms and [result|international|roles|pollution|reduce|cities|oil] pollution.

The main causes of the deterioration of the oceans are:

• Localization of large agglomerations in coastal areas. Incredibly, more than 60% of all major [result|international|roles|pollution|reduce|cities|oil]
  are located on the shores of the seas and oceans. Since ancient times, this was due to the convenience of the development of cross-cultural interaction and trade. However, even now the cities on the coast continue to attract people from all over the world.
• [result|international|roles|pollution|reduce|cities|oil]
  of ocean waters by household and industrial garbage. The issue of recycling is more acute than ever. Unfortunately, garbage from landfills often falls into the water and the oceans. As a result, the lives of millions of marine life are at risk.
• Pollution by harmful and toxic substances, as a [result|international|roles|pollution|reduce|cities|oil]
  of municipal water runoff and spills of oil.
• Large-scale and uncontrolled fishing.
• The deterioration of the coasts due to the systematic contamination.