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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, sometimes...
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Microscopic, single-celled organisms called foraminifera have a fossil record...
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Alaska’s pristine coastline is ripe for an influx of invasive marine species...
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Ocean acidification is sometimes called “climate change’s equally evil twin,”...

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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...

The Ocean Blog

Alaska’s pristine coastline is ripe for an influx of invasive marine species such as the European green crab and the rough periwinkle (an Atlantic sea snail), warns a new study by a team of...
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...
Burning fossil fuels, such as coal, oil and natural gas, spews almost 7 billion metric tons of carbon dioxide into the atmosphere annually. Industries are looking for ways to offset their emissions...
CREDIT: Flickr User Fabi Fliervoet 1. Bring Your Own The trash we "throw away" doesn't disappear. Plastic bags, disposable food containers, snack wrappers, and other loose garbage can be washed into...
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...
Lenticulina secans -- this foram lives on the seafloor. This specimen was collected from ocean sediments in southeast Tanzania. It comes from a time over 92 million years ago when both the polar...
A humboldt squid ( Dosidicus gigas )—also known as the jumbo squid—releases a cloud of ink at night in Mexico's Sea of Cortez. These large, carnivorous squids can reach more than 5 feet in length and...
Students are working with the National Aquarium in Baltimore, Md., to develop an informal education plan that will communicate information about Chesapeake Bay marsh restoration and explain the...
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...
What is coral bleaching? These white corals in the Gulf of Mexico’s Flower Garden Bank National Marine Sanctuary are bleached due to an increase in water temperatures, which causes corals to lose the...
The nation of the Maldives is made up of 1,190 coral islands grouped into 26 atolls in the Indian Ocean. Most of their land is barely above sea level and could literally disappear if sea level rises...
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...
Will sea level rise affect your home? Your street? Your neighborhood? Your city? This illustration, made by the non-profit Architecture 2030, shows what Boston would look like if sea level rises by 3...
We’re only two months into 2010, and climate change is shaping up to be one of the year’s big buzz topics. Our friends at NOAA have released a prototype of their new Climate Portal . The site offers...
The bright, brilliant swirls of blue and green seen from space are a phytoplankton bloom in the Barents Sea. Phytoplankton can bloom like this, rapidly growing and reproducing, because of a sudden...
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...
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...
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 .
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