Compiled by the Swiss-based International Union for the Conservation of Nature (IUCN), a report released as of
July 2011 lists five of eight tuna species as now being classified as threatened or near threatened by extinction
due to overfishing, habitat loss and climate change.
http://www.france24.com/en/20110707-tuna-species-urgently-need-protection-iucnhttp://www.upi.com/Science_News/2011/07/07/Reports-says-world-tuna-stocks-threatened/UPI-70001310085147/
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