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This breakthrough is crucial for a simple reason: Without the oceans, there would be no human race. You see, oceans are the source of life on our planet and account for more than 70% of the earth's surface. And the fish that live there rank as the main source of protein for nearly one billion people.
Yet the world's population and economies are growing much faster than the oceans can sustain.
Vast regions of the world are subject to overfishing; studies have shown that the variety of marine species in many parts of the world has dropped by as much as 50% in the past 50 years.
Not only that, but run-off from farms carries high amounts of chemicals that first hit streams and rivers.
Once all that deadly water flows into the seas, it can kill plankton - the tiny floating creatures that serve as the bedrock for much of the world's food chain.