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ocean energy

 
Why do we know so little about the ocean and marine creatures?
 

Life in ocean began 3.1~ 3.4 billion years ago while land
dwellers appeared around 400 million years ago
 
 

The ocean covers 71% of the Earth’s surface and holds
97% of planet’s water
 
 

The ocean produces more than half of the oxygen in the atmosphere
and absorbs most of the carbon from our atmosphere
 
 

50-80% of all life on Earth is found under the ocean surface
 
 

Currently, there are at least 199,146 known marine species
 
 

...but there may be at least 750,000 and to as many as
25 million marine species yet to be discovered
 
 

Humans have only explored less than 10% of the ocean
 
 

Unfortunately, the ocean faces many anthropogenic problems
 
 

...such as overharvesting, pollution, climate change
and lack of Marine Protected Areas
 
 

This leads to decrease in biodiversity and the degradation
of marine habitats and species
 
 

Three times as much waste is dumped into oceans
as weight of fish is caught every year
 
 

By destroying the ocean environment,
we are also compromising human health and safety
 
 

It is estimated that over 3 billion people depend on marine
and coastal biodiversity for their livelihoods
 
 

We need to change the way we interact with the ocean
and how we use its resources
 
 

We need to protect the diverse species and
habitats that exist in the ocean
 
 
About a quarter of the world's anthropogenic CO2 emissions
are sequestered by ocean carbon dioxide uptake
 
 
Acidification of the ocean is a result of CO2 uptake,
which could have a severe influence on marine life
 
 
As a result of the global energy imbalance created by greenhouse warming,
the oceans are the Earth's largest heat storage facility.
Ocean surface temperatures rise due to the heat absorbed by the ocean
 
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References

Marinebio. 2012. Little Known Facts About The Ocean. MarineBio Conservation Society. Accessed March 27, 2014. http://marinebio.org/marinebio/facts/index.asp.

ProtectPlanetOcean. 2010. Why are oceans important? International Union for Conservation of Nature. Accessed March 27, 2014. http://www.protectplanetocean.org/collections/introduction/introbox/oceans/introduction-item.html
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