There are dead zones off many of the seashores of the most populated coastal metropolises around the human race and the crisis is becoming too serious to disregard or deny. Yes, human civilisations necessitate to continue, but they also necessitate to make it in such as a manner that it do sense and makes not harm our oceans, as the sea conveys us life, food, and enjoyment.
Today there are dead zones off the seashores of Shanghai, Peking and other major human metropolises in extra of 250 foursquare miles. The fish if you can happen any are full of toxins and poisonous substances and the O in the H2O is highly depleted. Something must be done.
One interesting conception is to utilize submerged propellors to make cavitation, thus, oxygenating the H2O that is depleted. A series of propellors with guards to forestall fish violent death would be put up in the worst countries where the extenuation is needed. The system would rest on the sea flooring and be movable as the sea life sprang back to life.
The systems would necessitate to be made out of space age stuffs to manage the salt H2O and the powerfulness would necessitate to be capable of harvest home ocean moving ridge energy to powerfulness up. These systems must be mass produced and sent all over the human race to work out this growth crisis.
Mankind necessitates the sea to last and when the oceans boom with life so tin mankind. World are very much portion of the eco-system and also the nutrient chain, failure to accede to this logic will spell the death of billions of people in the future.