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At the ends of the Earth, life thrives despite extreme conditions. In the Arctic and Southern Oceans, organisms have evolved adaptations to cope with year-round cold and six months of darkness. But the tough...
How will changes in temperature affect glaciers and ice sheets? Dr. Sarah Das...
Ultraviolet light illuminates the growth rings in a cross-section of a 44-year-...
It’s confirmed: both Antarctica and Greenland are losing ice —around 350...

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How will changes in temperature affect glaciers and ice sheets? Dr. Sarah Das from the Woods Hole Oceanographic Institution explores this phenomenon first hand in Greenland, where she studies how the melted ice travels through...
What is blue carbon? It's a term used to describe the carbon that is...
This foraminifera was collected as it floated about 3 meters below the...

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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...
Worldwide, installations of solar energy doubled from 2007 to 2008. China is leading the way in solar cell production. More about climate change can be found in our climate change featured story .
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...
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...
In recent years, I have taken to watching flying fish along the Maine coast. Not the usual flying fish that skim over tropical seas, but fish dangling from the beaks of flying puffins. Puffins are...
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...
Last September, the Citizens of the Sea blog series brought you a story of doom and gloom from the reefs of Bocas del Toro, Panama. That is the time of year we typically study -- and celebrate -- the...
Over the past several decades, Florida’s coastal wetlands have been changing. Along the eastern shore, researchers have seen small mangrove trees appearing in areas further north than they usually...
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...
Global climate change is a complex issue. Think you're in the know about the ins and outs of this critical environmental issue? Test your knowledge in this quiz from National Geographic. More about...
What can students do to help the ocean? It turns out, a lot! These students from Alaska are among dozens from the U.S. and Mexico who are developing action plans on ocean and climate-related issues...
Earth as seen from a satellite. More about climate change can be found in our climate change featured story .
Keeping your car tires properly inflated can trim your carbon footprint, reduce wear and tear on your vehicle, and save yourself some cash at the same time. In fact, the U.S. Department of Energy...
In December 2009, thousands of leaders and activists from across the planet converged in Copenhagen for the United Nations Climate Change Summit. Debate rages as to whether the summit achieved any...
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...
Over a 10-year period NOAA scientists have collected 72,000 seawater samples, and their data show that the ocean is becoming more acidic because of climate change -caused warming. That small shift is...
At a recent staff meeting a Smithsonian colleague mentioned that one of his pastimes this summer has been keeping tabs on the Arctic sea ice. The question that's on many Arctic-watchers' minds is...
What is blue carbon? It's a term used to describe the carbon that is captured from the atmosphere by ocean ecosystems, mainly coastal mangroves, seagrasses and salt marshes. These coastal areas can...
"This World of Ours, Does not feel steady, We keep rotating, Oi! What will happen to us?" This is one of the questions that a group of performers from the Pacific island of Tuvalu is posed to...
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