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The act of ocean dumping is when things such as vessels, fish waste, human waste and dredged materials are disposed of into the world's oceans. Today, ocean dumping is largely banned because of the risk it poses to the m... More »

Ocean pollution is caused by numerous industrial and domestic activities, which include oil spills, garbage dumping, sewage and factory-waste disposal and the use of toxic pesticides. These activities pollute the oceans ... More »

Only about 30 percent of the Earth's surface is dry land, oceans make up the remaining 70 percent. Earth's oceans are home to hundreds of thousands of marine life forms, but because most of the ocean depths remain unexpl... More »

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"Be the solution to water pollution," "Cause a commotion to save our ocean," "Keep the trash in politics — not in our oceans," "Think blue and go green" and "Stop pollution quick, don't make the water sick" are a few exa... More »

The Mediterranean Sea is the most polluted ocean in the world because it is almost entirely surrounded by land. The sea is heavily trafficked and fished by the 19 nations that rely on it for food and income. More »

The qualities that make materials radioactive give them the potential to be incredibly useful sources of energy, but that same radioactivity can be a lethal threat to humans and other living things. Radioactive materials... More »

While the seas of the world are technically all connected into one global ocean, they are commonly divided geographically into five main oceans. These are the Atlantic, Pacific, Indian, Arctic and Antarctic Oceans. More »