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A narwhal breaches the surface, its tusk pointed to the sky
Article

Why a Tusk? The real-life unicorns of the sea and the tusks that make them famous

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Globotruncana falsostuarti -- a foram that lived about 75 million years ago, during the Cretaceous Period.
Photo

Globotruncana falsostuarti

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A marine biologist measures the temperature of an ice core.
Photo

Measuring Ice Core Temperatures

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as sea turtle at the surface
Video

Exploring Ocean Life with an Underwater Vehicle

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A photo of a red-colored sea anemone photographed in the Baltic Sea.
Photo

Urticina Felina, a Baltic Sea Anemone

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A pair of sea butterflies float in the Arctic ocean.
Article

Searching for the Ocean Acidification Signal

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A shell placed in seawater with increased acidity slowly dissolves over 45 days.
Overview

Ocean Acidification

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Polar bears are threatened by a lack of sea ice.
Article

Climate Change at the Poles

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A walrus sits on top of ice.
Article

The Cultural Icescapes of the Arctic

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Human activity is increasing in the Arctic marine environment due to climate change. To help the most vulnerable areas, the Global Marine Program of IUCN, along with partners, is convening a series of workshops aimed at enhancing ecosystem-based management and identifying biologically or ecologically important or vulnerable habitats. Burgerbukta, a bay in Svalbard, Norway, is being managed for ecosystem protection.
Article

The Sant Ocean Hall: Life at the Poles Exhibit

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The Ross Sea is a 1.9 million square mile (3.6 million square km) stretch of ocean off the coast of Antarctica.
Slideshow

A Trip South to Antarctica’s Ross Sea

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On average, Arctic sea ice has decreased by four percent per decade since the late 1970s.
Overview

Sea Level Rise

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