Plastic exports to Asia soar as China waste ban takes effect

China's ban on importing plastic has caused the amount of waste New Zealand sends to other parts of Asia to skyrocket. China used to take more than half the world's waste - but it stopped accepting 24 different types of waste at the start of this year, including plastic and paper, because it said contaminants were polluting its environment. Our environment reporter Nita Blake-Persen filed this report.