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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 hold up...
CREDIT: Flickr User Fabi Fliervoet 1. Bring Your Own The trash we "throw away"...
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Last September, the Citizens of the Sea blog series brought you a story of doom...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
Sea ice is typically viewed as the domain of physical and natural scientists,...

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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 summertime channel created by the...
Over a 10-year period, NOAA scientists have collected 72,000 seawater...
Ultraviolet light illuminates the growth rings in a cross-section of a 44-...

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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...
How do plants respond to rising CO2 levels? To find out, plant physiologist Bert Drake at SERC exposed marsh plants near the Chesapeake Bay to CO2 levels expected in 50 and 100 years. Different...
Earth as seen from a satellite. More about climate change can be found in our climate change featured story .
"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...
Globotruncana falsostuarti -- a foram that lived about 75 million years ago, during the Cretaceous Period, from southeastern Tanzania. By measuring the chemistry in the shell, scientists can estimate...
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...
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...
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...
Drilling near the North Pole, Dr. Jan Backman reveals a brief moment in time when the Arctic was subtropical. More about world climate change can be found in our Climate Change featured story .
Coral reefs are beautiful, vibrant ecosystems that house roughly one quarter of all marine species and provide billions of dollars in products and services to humans each year. But they are also...
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...
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)...
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 . That small change in acidity is...
This foraminifera was collected as it floated about 3 meters below the surface off the coast of Puerto Rico. The central dark area is the shell surrounded by spines. The tiny yellow dots are...
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...
Boring sponges get a bad rap. Their own name betrays them, announcing to the world that they are unexciting, ordinary and quite frankly, boring. However, if ever a misnomer existed, this is it. More...
Chapter 3: Fragile Fauna Jelly Critters Grade Level: 5-6 Focus: Life Science- Gelatinous zooplankton in the Canada Basin Description: In this activity, students will be able to compare and contrast...
Today, carbon dioxide (CO2) levels in our atmosphere are the highest they've been in 15 million years. It's the cumulative impact of an ever-expanding population -- 7 billion people and rising -- and...
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...
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