I consider myself a relative environmentalist, but those extremists are terrorists. Piracy on the high seas should still be punished; if they're doing it off Arabia, why not in the Pacific? Catch and jail!
(For everyone agitating for the IJN to come out, they're not going to do that, since they've been on the bottom for nigh on 60 years now. The
JMSDF, now, that's a different story...

)
As for whale harvesting, I still don't think that whale populations are ready for full-time hunting; despite the fact that they're rebounding that would be too easily reversed. All the same, it doesn't excuse the behavior of idiots like the Irwin crew.
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Vanvikan, Feb. 2009: ordinary human, KIA, night 4
HMS Thanatus, May 2009: ??? human, KIA, night 7