Staff in our Whitianga and Paeroa offices will be working but the offices closed for public enquiries from 4.30pm on Thursday, 17 April until 8am on Monday, 28 April. If you require urgent assistance during this time, please phone 0800 800 401.

Close alert

Ocean acidification

  1. Environment »
  2. Coastal and marine »
  3. Coastal and marine factsheets »
  4. Ocean acidification

Between one quarter and one third of all the carbon dioxide (CO2) we produce ends up in the ocean. While this slows the rate of climate change, it also has negative impacts on the chemistry of the ocean as it causes the water to acidify.