Special report Saving California’s kelp forests from ‘zombie’ urchins California’s underwater forests have suffered a devastating decline. “Like those coral reefs, kelp (forests) are the essential foundation for ocean health and resilience. But all is not well with the world’s kelp forests. Areas where kelp forests have experienced decline These regions of decline represent surface canopy-forming kelp. But for restored kelp forests to thrive in the long-term, one thorny issue needs to be resolved -- predators.

Source: CNN July 30, 2021 12:22 UTC