30 Sep 2018

Growing concern over rising acidity levels in seawater

From Sunday Morning, 7:20 am on 30 September 2018

New Zealand's waters are becoming more acidic due to the absorption of carbon emissions. It's not an issue confined to NZ - the world's oceans are experiencing the fastest rate of acidic change in 25 million years. Professor Cliff Law is a principal marine biogeochemist at NIWA who studies the composition of our oceans.