BBC Wales report on how Swansea University researchers have been monitoring the rising levels of acid in the sea and how that is killing off some of the most important marine life.
Read more in this article: Have we been underestimating the effects of ocean acidification in zooplankton?
- Tuesday 24 June 2014 12.14 BST
- Wednesday 25 June 2014 12.33 BST
- College of Science