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oceanservice.noaa.gov/facts/pollution.html

Nonpoint source pollution can make river and ocean water unsafe for humans and wildlife. In some areas, this pollution is so bad that it causes beaches to be closed after rainstorms. More than one-third of the shellfish-growing waters of the United States are adversely affected by coastal pollution.

www.eartheclipse.com/pollution/primary-causes-of-water-pollution.html

Primary Causes of Water Pollution Water pollution is the contamination of water bodies including rivers, oceans, lakes, streams, aquifers, and groundwater. It occurs when foreign harmful materials like chemicals, waste matter, or contaminated substances are directly or indirectly discharged into water bodies.

www.eartheclipse.com/pollution/various-causes-of-ocean-pollution.html

Various Causes of Ocean Pollution. Pollution of the oceans, which can simply be defined as contamination of the ocean with harmful or foreign materials, is categorized under water pollution because it constitutes the largest and the most crucial water body in the entire planet.

www.conserve-energy-future.com/sources-and-causes-of-water-pollution.php

What is Water Pollution? The water they say is life, and indeed they were right. With about 70% of the earth's cover being water, it undeniably becomes one of our greatest resources. As young students, we learned about the various ways to conserve water; coming to think of it, water is used in almost every important human chores and processes.

www.reference.com/science/causes-ocean-pollution-8626fe75f49962e

According to All Recycling Facts, land-based activities account for more than 80 percent of ocean pollution. Large-scale oil spills are major contributors to ocean pollution. They cause serious damage in sensitive marine areas and the death of numerous marine animals. Small leaks that occur on a regular basis also add to ocean pollution, such ...

www.conserve-energy-future.com/causes-and-effects-of-ocean-pollution.php

What is Ocean Pollution? Oceans are the largest water bodies on the planet Earth. Over the last few decades, surplus human activities have severely affected marine life on the Earth's oceans. Ocean pollution, also known as marine pollution, is the spreading of harmful substances such as oil, plastic, industrial and agricultural waste and chemical particles into the ocean.

www.reference.com/science/main-causes-pollution-279787636fd0971e

Some of the main causes of pollution include industrial emissions, poor disposal of wastes, mining, deforestation, use of fossil fuels and agricultural activities. Pollution can affect the air, the land and water bodies throughout the world.

www.worldatlas.com/articles/what-causes-ocean-pollution.html

What Causes Ocean Pollution? Pollution is defined as the process of introducing harmful or poisonous substances into the natural environment. Ocean pollution is therefore defined as the introduction of toxic materials such as plastic, oil, chemicals, agricultural waste, and industrial waste into the ocean waters.

helpsavenature.com/ocean-pollution-causes

Ocean pollution leads to depletion of oxygen dissolved in water, which, in turn, makes it difficult for various sea animals to breathe. Though indirectly, humans are also affected by pollution of ocean water, particularly because marine life is a major source of food for us.

www.preservearticles.com/environment/what-are-the-major-causes-of-water-pollution/134

The main causes for water pollution are : Disposal of waste: This waste includes sewage, garbage and liquid waste from factories and homes. Wastages from chemical factories contain many toxic or poisonous chemicals. These are discharged into rivers. The river-water becomes poisonous for fish and other aquatic animals and plants.