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The oceans cover just over... of the planet. They are the Earth's largest life-support systems.
30%
70%
About ... of the oxygen we breathe is produced by the oceans.
70%
45%
An estimated ... of all life on Earth is found in the oceans.
30-50%
50-80%
The world's fisheries provide employment for ... people and food for billions.
3.7 million
37 milion
The sea level has risen ... over the past 100 years.
25-50 cm
10-25 cm
The largest living structure in the world is the Great Barrier Reef - as coral reef which measures around ... kilometres in length.
500
2,600
There are many endangered species including whales, dolphins, sharks and turtles. As many as ... are killed each year for their meat.
10 million
100 million
Around... of the ocean receives protection through marine reserves, no-fishing zones, etc.
3%
10%
