If we take EVERYTHING out of the oceans…

What will be left of us?
According to OCEANA, a brand new international advocacy organization created with the only one purpose of protecting the world's oceans to sustain the circle of life, oceans feed billions of people across the globe.

More than 1 billion people rely on fish alone for their daily protein, and each year we consume more seafood than beef and chicken combined.

Ocean plants such as seaweed and algae provide more than 70% of the oxygen we breathe. Our coasts host nearly 70% of the world’s major cities and more than 3.6 billion people who share the oceans for transportation and commerce.

Life exists on land because life exists in the oceans.
But people always think that the oceans seemed too large to be polluted or overfished.
Therefore, there has been little understanding of the sustainable limits of their use. Though we already had several laws to prevent the further pollution to the ocean, What should the government or organizations do to help protect the oceans and to enhance sustainable practices without harming the business?