Whale entangled in fishing nets off the coast of Australia
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How many whales are killed by fishing gear?

How many whales are snared and killed by fishing gear and ocean debris each year? No-one knows for sure, but the number entangled is probably huge, and the number dying significant.

David Mattila, a whale freeing expert on secondment to the International Whaling Commission (IWC), told the BBC's environment correspondent Richard Black more about the problem.

  • 06 Jul 2012