Simplicity is necessary

Ballast-water borne invasive species are a major environmental challengethat needs addressing but some are concerned that an important messagemight get lost: shipowners want technology – and legislation – thatabove all is workable, says Stevie Knight, GreenPort contributor

Present technology is finding it hard to reduce the ballast tank-carried organisms to an acceptable figure for all involved. Photo: Maersk Line

Ballast-water borne invasive species are a major environmental challengethat needs addressing but some are concerned that an important messagemight get lost: shipowners want technology - and legislation - thatabove all is workable, says Stevie Knight, GreenPort contributor