more than 800 elementary students in hong kong’s repluse bay (second photo andfourth photocelebrate kids ocean day on november 7 by raising awareness about the shark fin trade and the recent ban on trolling in hong kong waters. the campaign echoes the long running ocean day events held in san francisco (fifth photo) and san diego (third photo and first photo), among other coastal pacific north american cities, to highlight the effects of ocean acidification from climate change, unsustainable fishing practices, habitat destruction, and pollution. local elementary schools hold contests to select the picture to be used.