More Human impacts

In 1989, the Exxon Valdez oil tanker ran aground in Alaska’s Prince William Sound, spilling 11 million gallons of crude oil into the water and onto the beaches of the remote ecosystem. Richard Carson...
More than 40 years after the 1969 oil spill in Massachusetts’ Wild Harbor salt marsh, environmental chemist Dr. Chris Reddy from Woods Hole Oceanographic Institution finds that the oil is still...
Around 100 million years ago, grass from land adapted to live and reproduce while submerged in seawater—the modern-day seagrasses. This sea invasion by land plants happened four separate times,...
In the Pacific Ocean, four ocean currents merge to form the North Pacific gyre, also known as the North Pacific Subtropical High, which spans the western US to Japan, and Hawaii to California. This...
As a consumer, you can choose what kinds of seafood to buy. Some species are in good supply and make excellent choices. Others have declined dramatically due to overfishing or environmental factors...
Ocean acidification is sometimes called “climate change’s equally evil twin,” and for good reason: it's a significant and harmful consequence of excess carbon dioxide in the atmosphere that we don't...
CREDIT: Wikimedia User “Fisherman” Because of consumer demand for sashimi (a fresh raw seafood dish), the fishing pressure on Atlantic bluefin tuna is extraordinarily high. The sale of a single...
Make the Connection The first step in making a difference is learning about the ocean and how your actions have an impact. Keep reading to learn everyday things you can do to help protect and restore...
How do we know what coral reefs looked like hundreds of years ago? Often times, we are simply left wondering. Scientists can get an idea from naturalist recordings, but there are many unknowns and...
Seagrasses growing on the seafloor of the Chesapeake Bay rely on light to grow—but, thanks to pollution, that sunlight has become more scarce. Nutrient runoff from fertilizers causes microscopic...
Using a deep-diving ROV, the crew aboard Oceana’s research vessel Ranger were surprised to discover large colonies of deep-sea white coral in the Western Mediterranean Sea in July 2010. Most of the...
The Kemp’s ridley is a “riddler” among sea turtles . Although the species was initially recognized in 1880, scientists didn't know where it nested until 80 years later, when a film documenting about...
It's illegal to hunt threatened species such as the Dusky shark, but still tens of millions of sharks are taken each year for their fins—in high demand as a delicacy in China. Inside his laboratory...
A still from The Changing Sea , part of the 19th Annual Environmental Film Festival in the Nation's Capital.
Rivulus fish live in bodies of water that sometimes become contaminated with hydrogen sulfide—an extremely toxic compound that smells like rotten eggs. When this happens, the adaptable fish wiggle...
Mangroves thrive in hot, muddy, salty conditions that would kill most plants. But even these tough trees are threatened by human development. This lone mangrove shoot in South Bimini, Bahamas stands...
Happy (early) Independence Day! For many of us in the United States, the 4th of July is a time to celebrate and reflect on our national heritage. In many ways, the U.S. grew up on the water and...
Marine ecologist Dr. Jeremy Jackson and a team of researchers conducted an in-depth study of the effects of a 1986 oil spill on the coast of Panama. In this video , Dr. Jackson discusses the study,...
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