A precedent-setting hearing on the expansion of Marlborough Sounds' salmon farms is under way in the Supreme Court.
Lawyers for Save our Sounds (SOS), a group opposed to farm expansion mainly on environmental grounds, argued the farming practices would significantly pollute the water because of the increased levels of feed discharge.
Last month, the group and the Environmental Defense Society (EDS) were given the right to appeal a High Court decision that gave New Zealand King Salmon approval to build four new fish farms in the Marlborough Sounds.
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