![File 20171213 27593 sfv3nk.jpg?ixlib=rb 1.1](https://images.theconversation.com/files/199053/original/file-20171213-27593-sfv3nk.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip)
If we have to feed 9.8 billion people by 2050, food from the ocean will have to play a major role. Ending hunger and malnutrition while meeting the demand for more meat and fish as the world grows richer will require 60% more food by the middle of the century.
But around 90% of the world’s fish stocks are already seriously depleted. Pollution and increasing levels of carbon dioxide (CO₂) in the atmosphere, which is making the oceans warmer and more acidic, are also a significant threat to marine life. Continue reading