nitrate and phosphate
sound of vehicles, loud speakers, airplanes, jets, train horns etc.
contamination of lakes, rivers, oceans and ponds by industrial wastes, bathing, washing, throwing wastes from cities.
increasing population needs more space, so deforestation is needed to make space which leads to increase in green house gasses and causes global warming, and more people cause more polution by more vehicles and more waste.
noise from factories, horns, powerplants, vehicles, trains, loud speakers
throwing waste anywhere
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