The world's amazing oceans.0:15
There are five oceans to the Pacific, the Atlantic, the Indian, the Southern, and the Arctic oceans.0:28
They cover an amazing 71% of the Earth's surface and make up 97% of its water supply.0:36
So they're very important for our survival.0:45
We've only explored 10% of the oceans so far.0:50
Scientists have recorded more than 230,000 species of living creatures and plants.0:55
And that's just underwater, above the waves.1:02
There are also thousands of species of seabirds and sea mammals that live around and feed from the oceans.1:07
Our oceans are full of amazing beauty, from colorful coral reefs to majestic whales.1:17
The oceans help to control wind patterns and rainfall, too.1:25
And ocean currents move heat around the world.1:30
They also take carbon dioxide CO2 out of the air.1:35
Unfortunately, pollution from factories is poisoning fish in our oceans.1:41
Rubbish such as plastic bags and soda cans also kills 100,000 sea creatures every year.1:47
And because of overfishing, there are fewer fish every day to help save our precious oceans.1:57
Don't buy seafood that is endangered, like bluefin tuna.2:06
Also, recycle your plastic bottles and cans so they don't end up in the sea.2:12
Over 3 billion years ago, life on Earth began in the oceans.2:19
Let's protect them together.2:26
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