Ballast water from cargo ships a big threat
The environmental threat posed by the disposal of ballast water from cargo ships continues to be of concern to marine interests, and the International Maritime Organisation is urging Caribbean nations and the wider Americas to ratify the new convention that seeks to police the issue.
Ballast is seawater taken in by a ship to keep it stable as it unloads cargo.
The ships take in the water at one port and releases it at another. The concern for marine interests is that the process often results in the transfer of harmful aquatic organisms and pathogens
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