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Every spring and summer, strong sunlight pushes beneath the surface of the world's temperate seas. This light and warmth causes plankton to bloom at an astonishing rate, making these seasonal seas the most fertile in the ocean.
Find out when you can watch this exciting episode of Blue Planet.
More About Blue Planet
From the producers of Planet Earth comes the definitive natural history documentary of the world's oceans. The result of a six-year collaboration between the Discovery Channel and BBC, Blue Planet takes viewers from the world's most beautiful coral reefs to the deepest depths of the ocean, from the cold waters at the poles to the expanses of the open ocean.
Learn more about oceans and waterways during Planet Green's Blue August
Don't miss the rest of Blue August On TV
Check the Planet Green Schedule to find out when you can watch this great green programming.
Read more about water:
Don't Ruin The Reefs We Love: Dive Trips That Tread Lightly
9 Ways We Can Save the Ocean, and Save Ourselves
World Premier of Acid Test: The Global Challenge Acidification on Planet Green, August 12
