"Maybe our entire society would just shift a little bit." Entrepreneurs hatch plan to address out-of-control sea urchin ...

Purple sea urchins are carpeting the ocean floor off the coast of Oregon — their round, spiky bodies clinging to rocks and reef. For sea urchin divers who harvest them as premium shellfish, most often ...

almost 85 tons of sea urchin shells in the town are discarded locally every year. Recycling the shells has proven difficult. Fishermen are too busy to manage them during the peak harvesting period ...

Kelp forests decimated by sea urchins are being replanted in Port Phillip Bay in an attempt to rebuild the ecosystem.