As the movement away from plastic grows in momentum, one dairy farmer says he's found the perfect solution - and it's a throwback to a simpler time.
Logan Johnson from Farm Fresh South sells his milk in glass bottles only.
"We just think that glass is better," he told The Project. "Single use plastic creates a lot of issues and milk tastes so much better out of glass bottles."
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Bottles are sealed with a screw top lid, but you won't find them in supermarkets. All bottles are hand-delivered to customers and 100 percent reused.
Mr Johnson says he's found a customer base who appreciate the nostalgia as well as the environmental benefits.
"We've got a wide range of customers - the older generation who remember milk coming in glass bottles and don't know why we ever changed, and the younger generation who are starting to wake up about the fact that using all this plastic isn't a good idea and are looking for alternative options."
He believes that if dairy farms make the change at a local level, it would be easier to implement.
"It's when you start looking at nationwide distribution it becomes difficult."
New Zealand currently recycles 23,000 tonnes of plastic milk bottles per year.