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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-...
Brian Huber studies fossil organisms known as “ forams ” to learn about climate...

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Remember playing Tetris? Originally developed in 1984, the video game in which blocks of various shapes rain down and the player needs to find a way to fit them together is now ubiquitous. This TED ED video compares Tetris blocks...
Compare the healthy coral on the left with the bleached coral on the right...
How will changes in temperature affect glaciers and ice sheets? Dr. Sarah...

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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...
Newly established black mangrove ( Avicennia germinans ) in a field of salt marsh ( Spartina alterniflora and Batis maritima ) in the Guana Tolomato Matanzas National Estuarine Research Reserve in...
On World Oceans Day - June 8th, 2012 - the Living Oceans Foundation hosted a live web-based conversation between Sylvia Earle at the Smithsonian's National Museum of Natural History and a team of...
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...
A stormy sea lashes the village of Shismaref, Alaska, where the coastline has eroded 30–90 m (100–300 ft) in the past 30 years.
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...
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...
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...
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...
What can students do to help the ocean? It turns out, a lot! These students from California are among dozens from the U.S. and Mexico who are developing action plans on ocean and climate-related...
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...
Hantkenina mexicana -- a foram with elongated shell chambers that lived between 45-49 million years ago, during the Eocene Epoch. This specimen is from marine sediments that were drilled in the...
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...
Warmer water is causing an outbreak of giant mucus blobs in the Mediterranean. These blobs are more than just unpleasant, they can harbor bacteria and viruses. Learn more about climate change.
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...
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...
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 Monterey Bay Aquarium (2:30), Oregon Coast...
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...
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...
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