New Zealand waters seeing fastest rate of acidic change in 25 million years

Posted 27/10/2018

Stuff NZ website

New Zealand's waters are becoming more acidic as they continue to absorb about a quarter of our carbon dioxide emissions. 

The world's oceans are seeing their fastest rate of acidic change in 25 million years, with the rate of decline about to snowball if greenhouse gas emissions are not checked. 

Seawater pH levels have dropped from 8.2 to 8.1 since the 1870s. They are projected to drop to 7.77 by 2100.

The impact of rising water acidity on aquaculture was laid out to industry bosses at the  2018 New Zealand Aquaculture Conference, in Blenheim, on Wednesday.

Read the full article here.