urchins

Pink sea urchins off the coast of Vancouver Island are expanding into shallower waters, in what researchers say is an indication of how rapidly climate change is affecting ocean life.

From 2013 to 2016, the Blob derailed the ecosystem in the northeast Pacific. Years later, scientists are still uncovering new consequences wrought by this extreme heat wave.

In 'Heart of the Coast: Biodiversity and Resilience on the Pacific Edge,' Tyee Bridge explains how sea otters, urchins and starfish each have a role to play in fragile kelp-bed ecosystems.