More Human impacts

The Ocean Blog

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...
Any floating object in the ocean tends to attract life; fishermen know this and deploy floating buoys to concentrate fish for harvesting. Plastic marine debris is no different and, at microscopic...
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...
Instead of adding castaway fishing nets to already crowded landfills, Hawaii’s multi-partner marine debris group has developed a method of converting marine debris into usable electricity. The Nets-...
Two events made me passionate about deep-sea corals . One was my first submarine dive in a deep-sea coral bed off the Hawaiian island of Oahu. There was an incredibly lush community of corals and...
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...
A Twelve-Step group for wild animals with people-food addictions? Don’t be responsible for getting a dolphin hooked on human handouts! This cartoon satire portrays a dolphin trying to break his...
This map is based on electronic tagging of Atlantic bluefin tuna ( Thunnus thynnus ) from 1996 to 2007. A team of international researchers officially classified the Atlantic bluefin as endangered in...
Sandy beaches are home to a Diversity of Life In the Shores and Shallows Gallery of the Smithsonian's Sant Ocean Hall , a beach display features magnified grains of sand and the tiny beach critters...
Happy New Year! We’ve officially hit mid-January, but there is still plenty of time to make those resolutions. If you’ve been putting it off or haven’t come up with a worthy resolution yet, why not...
Neptune grass ( Posidonia oceanica ) is an ancient seagrass that is unique to the Mediterranean Sea. It is incredibly slow-growing; so slow that scientists estimate one large meadow that is 9.3 miles...
This photo of Kingman’s Reef in the Line Islands shows what a healthy coral reef should look like. The water is crystal clear. A variety of richly colored corals carpet the seabed. And a native...
The year 2010 will likely be remembered as a tragic time for the ocean. Yet, despite the oil disaster in the Gulf of Mexico, I have hope for our ocean’s future. Last week President Obama signed an...
Overfishing and sedimentation have heavily impacted this reef off the western coast of Guam. More about coral reef ecosystems can be found in our Coral Reefs featured story .
The threat that climate change poses to polar bears has received a lot of attention, but they are not the only Arctic species at risk. Ice-loving seals, such as harp, hooded and ringed seals, are...
More than ever, the fate of the ocean is in our hands. To be good stewards and leave a thriving ocean for future generations, we need to make changes big and small wherever we are. To make a positive...
Dr. Chris Reddy, an environmental chemist from Woods Hole Oceanographic Institution studies the long-term impacts of oil spills. Watch as he digs beneath the surface in Massachusetts’ Wild Harbor...
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...
Subscribe to Human impacts