Mans Effect On The Environment

Mans nucleus On The Environment Mans Effect on the Environment 1) SOURCES OF POLLUTION Fresh weewee Environments : Man pollutes fresh wet whole over the world in many slipway there is much waste and pollution that ends up in rivers. One of the main hazards is called eutrophication, this process becomes enriched with artificial nutrients from fertilisers which run eat up into the rivers and upset the natural nutrient cycle of the river, lake or pond. The water turns green because of the algae which when they die multifly using up all the oxygen. Similar consequences occur if raw sewage is pumped into a river.

Chemical waste from factories dump their un wanted waste into rivers, lakes or ponds as well. One major component that effects the water wildlife is the insecticide DDT which damages animal tissue and is dangerous to humans , this can be passed along the foodchain. Marine Environments : 80% of the waste which is pumped into the sea each year is produced by dred...If you want to get a full essay, order it on our website: Orderessay

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