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Green Sea Turtle

Photo: Green sea turtle
Green sea turtles are reptiles whose ancestors evolved on land and took to the sea to live about 150 million years ago. They are one of the few species so ancient that they watched the dinosaurs evolve and become extinct.
Photograph by Tim Laman

Multimedia

Other Sea Creature Features

Photo: Anemonefish

Rainbow Reefs

Visit the spectacular coral reefs of Fiji and see how they're bearing up under rising ocean temperatures in this multimedia feature.

Photo: Sea creature

Hawaii's Outer Kingdom

Check out northwestern Hawaii's wildlife, as beautiful as art, in this multimedia feature.

Photo: A humpback whale

Humpback Whales

Famous for their acrobatic leaps and haunting songs, these whales are slowly revealing the mysteries of their underwater behavior.

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Special Advertising Sections

Phot: Girl drinking bottled water

Interactive Map

Explore the signs of and solutions to the world’s water crisis.

Photo: Valero train

Interactive Map

Visit Siemens locations with this interactive map.

Reptiles Right Rail

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Six Degrees Book and DVD

Image: Six Degrees DVD and book

Get an eye-opening warning of the dangers of climate change, one degree at a time.