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These bleached corals in the Gulf of Mexico are the result of increased water temperatures.
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Bleached Corals

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a diagram of heat flow in a turtle's flipper
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Counter-current Heat Exchange

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This radio device is used to track North Atlantic right whales. Suction cups hold the device to a whale's back, where it records data such as depth, water, temperature, and underwater sounds.
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Whale Tracking Device

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Lenticulina secans-- this “benthic” foram lives on the seafloor. This specimen was collected from southeastern Tanzania.
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Lenticulina secans

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Riftia tubeworm (Riftia pachyptila) colonies near hot spring.
Article

The Microbes That Keep Hydrothermal Vents Pumping

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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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A coral head in the Mesoamerican Reef has both bleached and living coral. The white sections are bleached and the brown parts still contain zooxanthellae, the symbiotic algae that provide food to their coral hosts.
Article

Coral Under Pressure: Monitoring Bleaching In Real Time

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This orange boring sponge (Cliona varians) overgrows several coral species at Panama's Smithsonian Tropical Studies Institute.
Article

Ocean Acidification Excites Boring Sponges

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Close-up photograph of translucent coral polyps, showing the symbiotic algae living inside.
Slideshow

Zooxanthellae and Coral Bleaching

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Two nurse sharks hover over a baited cage
Lesson Plan

Just Jelly: ecological role of gelatinous zooplankton

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Male Climate Scientist
Video

2019: Second Warmest on Record

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Nancy standing by the ocean
Article

Corals to Communication: Nancy Knowlton’s Success Focusing on the Imminent

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