Land-based air pollution often results in fish contaminated with toxics such as mercury.

One of the leading sources of the high levels of mercury contamination in the sea is emissions from the chlorine-alkaline industry, which affects marine life to very worrying levels, including species destined for human consumption.

Oceana is working to ensure that mercury-based chlor-alkali plants in Europe shift to mercury-free technologies as quickly as possible.

Read more about mercury contamination >>