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Group 4 5a
Solution
Stop littering
Always reduce reuse and recycle
Take care of the ocean enviroment

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The Indian Ocean garbage patch, discovered in 2010, is a gyre of marine litter suspended in the upper water column of the central Indian Ocean, specifically the Indian Ocean Gyre, one of the five major oceanic gyres. The patch does not appear as a continuous debris field. As with other patches in each of the five oceanic gyres, the plastics in it break down to ever smaller particles, and to constituent polymers. As with the other patches, the field constitutes an elevated level of pelagic plastics, chemical sludge, and other debris; primarily particles that are invisible to the naked eye. The concentration of particle debris has been estimated to be approximately 10,000 particles per square kilometer.

A similar patch of floating plastic debris in the Pacific Ocean, the Great Pacific garbage patch, was predicted in 1985, and discovered in 1997 by Charles J. Moore as he passed through the North Pacific Gyre on his return from the Transpacific Yacht Race. The North Atlantic garbage patch was discovered in 2010.

The existence of the Great Pacific garbage patch, the first to be discovered, was predicted in a 1988 paper published by the National Oceanic and Atmospheric Administration (NOAA) of the United States. The prediction was based on results obtained by several Alaska-based researchers between 1985 and 1988 that measured neustonic plastic in the North Pacific Ocean.

Research studying trash washed onto beaches in and around the Indian Ocean suggested that there would be plastics found in the water column in the Indian Ocean as well.

In 2010, the 5 Gyres Project set off on the first of its planned series of transoceanic voyages to determine whether the South Atlantic, South Pacific, and Indian Ocean gyres were affected in the same way as the North Pacific and North Atlantic gyres. On the Indian Ocean leg of their trip, they travelled between Perth, Australia, and Port Louis, Mauritius (east of Madagascar); each of the water samples they collected in the 4,800 km (3,000 mi) between contained plastic. They found that the South Atlantic, South Pacific, and Indian Ocean gyres were affected in the same way as the North Pacific and North Atlantic gyres. Anna Cummins, cofounder of 5 Gyres Institute called the pollution they found "a thin plastic soup".

Of the top 10 ocean plastic polluters (of which China is No.1 worldwide with 30%), the Indian Ocean features five: Indonesia (No. 2); Sri Lanka (No.5); Thailand (No. 6); Malaysia (No. 8), and Bangladesh (No. 10).

Ten rivers carry 90% of the total plastic pollution in the oceans. Of these, two are in the Indian Ocean: the Indus (No. 2 worldwide with most plastic) and Ganges (No. 6).

On April 11, 2013, in order to create awareness, artist Maria Cristina Finucci founded the garbage patch state at UNESCO - Paris, in front of Director General Irina Bokova, the first of a series of events under the patronage of UNESCO and of Italian Ministry of the Environment.

Notes

Further reading

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The Indian Ocean garbage patch, discovered in 2010, is a gyre of marine litter suspended in the upper water column of the central Indian Ocean, specifically the Indian Ocean Gyre, one of the five major oceanic gyres. The patch does not appear as a continuous debris field.

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Group 5 sothern ocean
Problems
The southern ocean had also become a dumping ground for rubbish.
Solutions
.network of marine protected areas is established across 2000000 km square or 10% of the southern ocean.
The impacts of climate change on Antarctica and in the southern ocean are understood.

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Pollution such as sewage, runoff from land and toxic waste; habitat destruction; over-fishing; and climate change leading to sea level rise, ocean acidification and warming will all interact to damage the ocean's ecology and coastal economies.Overfishing. We have methodically depleted the fish in our oceans. ...

Coastal pollution. ...

Habitat destruction. ...

Warming. ...

Acidification.

Jun 5, 2014Overfishing. We have methodically depleted the fish in our oceans. ...

Coastal pollution. ...

Habitat destruction. ...

Warming. ...

Acidification.

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You probably know that climate change is melting Arctic ice.

5 lesser-known threats to the fragile Arctic Ocean

Bottom trawling

Bycatch.

Plastic pollution

Noise pollution.

Interconnected ecosystems.

Thank you

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Overfishing
Costal pollution
Habitat destruction
Warming
Acidification
Solution:
For overfishing: create a fish farm
For pollution: stop throwing  garbage in the sea
For warming : power your home with renewable energy
For acidification: reduce your carbon footprint

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The Pacific Ocean, occupying a third of the planet's area, faces threats that will render some coastal areas uninhabitable.

Pollution such as sewage, runoff from land and toxic waste; habitat destruction; over-fishing; and climate change leading to sea level rise, ocean acidification and warming will all interact to damage the ocean's ecology and coastal economies.

The study divided the Pacific Ocean into seven regions, revealing threats and potential solutions for each.  limiting the amount of fish and seafood we eat to a reasonable level and backing away from eating endangered species would help.