Large cargo ships use ballast water to balance their weight and keep them stable during a voyage. Although it is essential for the safety of the ship, ballast water can be harmful to the marine environment as its discharge can release potentially invasive species into a new marine environment.
Proper management and treatment of ballast water significantly reduces this risk.
What is ballast water?
Ballast is extra weight added to a ship when it unloads its cargo – without it, the ship would...