Nitrogen is an element basic for life—plants need it, animals need it, it's in our DNA—but when there's too much nitrogen in the environment, things can go haywire. On Cape Cod, excess nitrogen in estuaries and salt marshes ...
Environment
Apr 12, 2021
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Coral reefs are not doomed. Although human activities threaten the iconic ecosystems in many different ways, scientists maintain that reefs can continue to thrive with the right assistance.
Environment
Feb 25, 2020
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312
Excess nitrogen is a major threat to water quality in coastal waters worldwide. Found in treated wastewater, farm and lawn fertilizers and combustion exhaust, it fuels blooms of algae that shade submerged grasses and suck ...
Environment
Jan 20, 2020
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105
A new method for reconstructing changes in nitrogen sources over time has enabled scientists to connect excess nutrients in the coastal waters of West Maui, Hawaii, to a sewage treatment facility that injects treated wastewater ...
Environment
Apr 3, 2019
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124
Every summer, a "dead zone" forms in the Gulf of Mexico. Plumes of oxygen-robbing algae, fed by excess nitrogen coming in from the Mississippi River, kill off marine life and threaten the livelihoods of those who fish the ...
Environment
Jan 15, 2019
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Groundwater containing excess nitrogen from agricultural fertilizers likely contaminated coral reefs on the Cook Islands during the second half of the 20th century, continuing for years after fertilizer use stopped, according ...
Earth Sciences
Sep 5, 2018
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Lawns in the Salt Lake Valley up to 100 years old are not yet saturated in the nutrient nitrogen, which is added by fertilizer, according to a new study from University of Utah researchers. The result is surprising, since ...
Environment
Jul 2, 2018
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Every summer, the Gulf of Mexico is flooded with excess nitrogen and phosphorus from wastewater treatment plants and farm fields along the Mississippi River basin. And every summer, those nutrients create a "dead zone" in ...
Environment
Jan 22, 2018
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Bacteria in lakes play a key role in maintaining water quality by absorbing excess nitrogen and phosphorus. They also help store carbon, which has implications for our climate. But, as it turns out, their ability to do these ...
Environment
Dec 11, 2017
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7
Excess nitrogen gives an advantage to early season plants in Midwestern prairies, leading to further changes in prairie ecosystems, according to a recently published study from an Iowa State University scientist.
Environment
Oct 13, 2017
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