Besides the decline and depletion of many marine resources by mining and improper use of the human condition, the population growth in coastal areas along the coastal economic activities on a development has leading to coastal estuaries polluted by garbage people; Water from streams, canals and tributaries carry waste, toxic chemicals, pesticides, fertilizers and household waste, all the sea, there are those which are not biodegradable deposition the coastal or deep seabed, killing many marine species. Besides, the work on the sea on a lot, the chemical waste from industrial, radioactive substances, waste building materials, waste water containing toxic chemicals untreated waste of sea transport as well as for serious water pollution; Besides indiscriminate deforestation caused accidentally charging status, floods, more serious is the frequency and extent of the tsunami affected by climate change.
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