Changing Seas

3 seasons available

Oceanographers study Earth's underwater wilderness.
Mollusks: More than a Shell
S15 E1

Seashells inspire humans since the dawn of time and the animals which make them, and their unique place in the web of life.

Sharks in Belize: Jaguars of the Sea
S15 E2

Catching and tagging sharks along the Belize Barrier Reef, local fishers leverage their generational knowledge to help marine scientists and fisheries managers keep shark populations healthy for all.

Vanishing Whales
S14 E1

Scientists in Hawaii and Alaska study why sightings of humpback whales dropped.

Humpback Health
S14 E2

Studying humpback whales in their Hawaiian feeding grounds and Alaskan breeding grounds to determine how the body size and overall health of the animals change across their migratory cycle.

Kelp: Hidden Treasure of the Salish Sea
S14 E3

Experts work against time to conserve and restore kelp in the Puget Sound ecosystem.

Saving Florida's Starving Manatees
S14 E4

Scientists work to restore the seagrass that Florida's manatees depend on, while managers take the unprecedented measure of feeding the animals in the meantime.

Recreational Shark Fishing: Collaborating for Conservation
S13 E1

Shore-based, catch and release shark fishing; scientists team up with anglers to study the survival rates of the fish and conduct outreach on best practices.

At the Water's Edge: The Salt Marsh
S13 E2

Scientists study the extensive salt marshes in the southeastern U.S., a vital nursery ground for marine species, and its resilience to climate change.

Alvin: Pioneer of the Deep
S13 E3

Upgrades to the deep-sea submersible Alvin will take it deeper than ever before, allowing Alvin to continue its revolutionary scientific work.

Habitats: The Key to Florida's Fisheries
S13 E4

Scientists work on restoration projects to ensure the future of fisheries for tarpon and snook, two of Florida's most iconic game fish.