SEVENSEAS Marine Conservation & Travel Issue 16, September 2016 - Page 125

1 Topic : 5 Facts

How well do you know the ocean?

This regular feature will help acquaint you with our blue planet.

Topic: The Ocean

The ocean absorbs more than 25% of the CO2 introduced to the atmosphere via natural and human activity.

Marine plants and algae contribute between 50 and 85% of the oxygen in the Earth’s atmosphere.

More than 10% of the world’s population relies on fisheries and aquaculture for their livelihood. (That’s about 712 million people!)

An estimated 61% of the world’s Gross National Product originates from marine coastal areas.

Approximately 434,000 cubic km of fresh water evaporates from the ocean each year. (That’s around 115 billion gallons!)

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