Nitrogen

November 29, 2013--What is the true cost of food production? (Environmental News Network)

Unsustainable farming systems that damage the environment and public health thrive at the expense of sustainable producers. Patrick Holden makes the case for "true cost accounting." We must account for the real costs of food, or sustainable food systems will never break through to the mainstream.


October 22, 2013--Nitrogen pollution at critical levels in dozens of national parks (High Country News)

We’ve had national parks on the brain a lot lately as we slogged through 16 days of federal shutdown.


March 26, 2013--EPA finds 55 percent of rivers and streams in US in poor condition; situation worse in East (Washington Post)

More than half of the country’s rivers and streams are in poor biological health, unable to support healthy populations of aquatic insects and other creatures, according to a new nationwide survey released Tuesday. The Environmental Protection Agency sampled nearly 2,000 locations in 2008 and 2009 — from rivers as large as the Mississippi River to streams small enough for wading.


April 12, 2012--River nutrients: It’s all about being healthy (Durango Herald)

Nutrients in water – sounds good. Like a vitamin-water mix. However, like vitamins, nutrients are good in the right amount and can be problematic in too high a dose. When talking about nutrients in water, the most common components discussed are nitrogen and phosphorus.


January 21, 2012--Fight over water regulations gaining steam (Colorado Springs Gazette)

A water fight that’s been bubbling beneath the surface of public consciousness for at least a decade is likely to erupt like a geyser in coming months as Colorado public heal

December 18, 2011--Nitrogen pollution building in remote wilderness lakes (Summit Voice)

Even some of the most remote mountain lakes in the northern hemisphere have been affected by the long reach of human pollution, according to researchers who found traces of nitrogen compounds in more than 75 percent of the lakes they surveyed in Europe and the Rocky Mountains of North America.


December 12, 2011--Water-quality standards unfairly burden rural communities (High Country News)

When Clarence Aragon began managing the half-century-old Mora Mutual Water and Sewer Association 12 years ago, he thought he was helping the environment. Hundreds of households around Mora, N.M.


October 9, 2011--Nutrients are an emerging new water-quality concern (Durango Herald)

Colorado is proposing to control nutrients in water for the first time, but a Durango attorney says the rules are too complicated, based on weak science and exorbitantly expensive. Jeff Kane of Maynes, Bradford, Shipps & Sheftel brought Southwestern Water Conservation Dis


April 6, 2011--Biodiversity improves water quality in streams through a division of labor (Science Daily)

Biologically diverse streams are better at cleaning up pollutants than less rich waterways, and a University of Michigan ecologist says he has uncovered the long-sought mechanism that explains why this is so. Bradley Cardinale used 150 miniature model streams, which use recirculating water in flumes to mimic the variety of flow conditions found in natural streams.


September 27, 2010--Elevated Nitrogen and Phosphorus Still Widespread in U.S. Streams and Groundwater (Science Daily)

Elevated concentrations of nitrogen and phosphorus, nutrients that can negatively impact aquatic ecosystems and human health, have remained the same or increased in many streams and aquifers across the United States since the early 1990's, according to a new national study by the U.S. Geological Survey.


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