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Articles on Dead zones

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Seabed sediments in Bermuda mangroves consumed nitrous oxide from the seawater. Restoring coastal ecosystems might help curb climate change. (Shutterstock)

Nitrous oxide, a powerful greenhouse gas, is on the rise from ocean dead zones

Nitrous oxide is a potent greenhouse gas, 300 times more powerful than carbon dioxide. Global emissions of N2O are on the rise as a result of human activities — and their impact on ocean ecosystems.
Harmful algal bloom caused by nutrient pollution, Assateague island National Seashore, MD. Eric Vance, U.S. EPA/Flickr

Reducing water pollution with microbes and wood chips

Excess nutrients from farm fields cause widespread water pollution across the U.S. Bioreactors – essentially, ditches filled with wood chips – are emerging as a way to reduce nutrient pollution.

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