CLIMATE CHANGE, leads to rise of the sea level, thereby losing some of land territory, changing growing seasons for crops, and loss of habitats for many species., POLLUTION, , OVEREXPLOITATION, Overfishing that causing loss of some endengered species like tuna and other rich treasure of oceans., DEFORESTATION, Human Clearing land for farms and plantations, logging for construction materials and paper, expanding cities and settlements., GROWING HUMAN POPULATION, .

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