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Ultraviolet light illuminates the growth rings in a cross-section of a 44-year-old deep-sea coral ( Primnoa resedaeformis ) collected off the coast of Newfoundland at about 1,300 feet (400 meters). Similar to tree trunks,...
It’s confirmed: both Antarctica and Greenland are losing ice —around 350...
Brian Huber studies fossil organisms known as “ forams ” to learn about climate...
Since summer 2013, starfish along both coasts of the United States have been...

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Compare the healthy coral on the left with the bleached coral on the right. Increased water temperatures caused the bleached coral to lose the microscopic algae that give the coral color and provide it with food. Corals can...
How will changes in temperature affect glaciers and ice sheets? Dr. Sarah...
What is blue carbon? It's a term used to describe the carbon that is...

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Today, carbon dioxide (CO2) levels in our atmosphere are the highest they've been in 15 million years. It's the cumulative...
Swimmers brave the waters in the shadow of a coal-fired power plant. Coal plants like this one emit CO2 into our atmosphere which is warming the planet and altering the chemistry of the ocean. Learn...
Compare the healthy coral on the left with the bleached coral on the right. Increased water temperatures caused the bleached coral to lose the microscopic algae that give the coral color and provide...
“Let’s talk about the Earth, really talk about survival. We can talk about the Poles where the cold is unrivaled.” Rappers wrap their heads around climate change in this music video. More about...
The threat that climate change poses to polar bears has received a lot of attention, but they are not the only Arctic species at risk. Ice-loving seals, such as harp, hooded and ringed seals, are...
It’s confirmed: both Antarctica and Greenland are losing ice —around 350 billion tons each year—and, as a result, sea level has risen 11.1 millimeters worldwide since 1992. This photo shows a...
Brian Huber studies fossil organisms known as “ forams ” to learn about climate change in this video snippet from the Smithsonian Marine Collections video . More about world climate change can be...
Scientists document a direct relationship between the extent of sea ice and polar bear survival. Future projected reductions in the extent of annual sea-ice due to global warming may result in the...
It’s hard not to identify with penguins as they waddle about upright on land, clad in their tuxedo-like plumage. In their crowded breeding colonies, they squabble with and show off to their neighbors...
Tiny plant-like organisms called zooxanthellae live in the tissues of many animals, including some corals , anemones, and jellyfish , sponges, flatworms, mollusks and foraminifera . These microscopic...
Dr. Karen Bice studies the foraminifera in ocean sediment to better understand climate change. More about scientists studying world climate change can be found in our Climate Change featured story .
Recorded Feb. 15, 2011, this video from the Third Student Summit on the Ocean and Coasts includes presentations that were given by delegations from the Mystic Aquarium (01:00), Gulf Coast Research...
Fossil fuels that power our cars, homes, and businesses add carbon dioxide (CO2) to the atmosphere. The ocean absorbs large portions of this CO2 and acts as a buffer against climate change . But, Dr...
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