According to the business, the switch will mean 73,000 tonnes of carbon emissions will be avoided each year.
US supermarket tops Greenpeace 2018 Supermarket Seafood Ranking.
Greenpeace says its pledge don't include clear targets to reduce and phase out single-use plastics.
Woolworths, Coles plan to be more environmentally friendly by 2018.
Contaminants in products like shampoos and toothpaste are almost impossible to manage once they hit supermarket shelves.