Peter and Dr. Rae explore the west coast of North America and join conservationists in a desperate race to save kelp forests. Home to countless species, kelp forests form the biological backbone of the ocean food chain, but climate change ...See morePeter and Dr. Rae explore the west coast of North America and join conservationists in a desperate race to save kelp forests. Home to countless species, kelp forests form the biological backbone of the ocean food chain, but climate change has unbalanced this ecosystem. They discover how the loss of kelp is the result of an explosion of purple sea urchins and the devastating loss of sunflower sea stars. They work alongside the dedicated men and women at the forefront of kelp conservation and help to remove purple sea urchins and restore sunflower sea stars.
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