More Human impacts

Can painted wooden fish on a schoolyard fence change human behavior and help clean up the ocean for the real salmon? Stream of Dreams in British Columbia thinks so, and a lot of wooden fish and some...
In the ocean, microscopic forms of algae, known as dinoflagellates , can "bloom" into dense patches near the surface, often referred to as "red tides." Some of these harmful algal blooms (HABs) are...
Sharks are much older than dinosaurs. Their ancestry dates back more than 400 million years, and they are one of evolution’s greatest success stories. These animals are uniquely adapted to their...
Dr. Sylvia Earle, at the Select Committee on Energy Independence and Global Warming's hearing: “ Rising Tides, Rising Temperatures: Global Warming’s Impacts on the Oceans .” Dr. Earle is referred to...
This mangrove island in the Pelican Cays, Belize, was clear-cut and filled with dredged sand and coral from the adjacent reef flat. Developers are clearing and dredging mangroves in an attempt to...
At the Poles, Life Thrives Located beside the Shores and Shallows gallery (which highlights different kinds of coastal ecosystems around the world), the Poles area will take you to the ends of the...
This coral reef in the Western Pacific Ocean was killed by human input of silt and sand from nearby islands reaching the coral reef habitat. More about coral reef ecosystems can be found in our Coral...
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...
A dredge from the U.S. Army Corps of Engineers can be seen removing a sandbar off of Virginia Beach, VA. This type of removal occurs in order to clean up the seafloor or to allow for large ships to...
A team from the Center for Coastal Studies works to free a one-year-old right whale from the fishing ropes wrapped and knotted around its body and flippers. The whale is Kingfisher, #3346 in the...
Diving can be a wild ride that evokes more than a little trepidation, especially in the Pacific Ocean's famously big, cold waves. Waves that are otherwise fun for my weekend surfing can turn a...
If you want to study invasive species in the ocean, the Panama Canal offers a lot to explore. The ships passing through can inadvertently transport plants, animals, and even parasites from the...
Tuna caught in the Indian Ocean show the huge scale of commercial fishing. More about sustainable seafood can be found in our Sustainable Seafood feature story.
For those of you who have had the opportunity to visit a coral reef , you know that it’s an experience you are unlikely to forget. Coral reefs are among the world’s most magnificent ecosystems. Their...
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...
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...
Imagine you’re an alien seeing Planet Earth for the first time. What do you see from your spacecraft? A blue planet with over 70% of its surface covered by ocean. From space it’s obvious how...
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...
Subscribe to Human impacts