Mining for answers on abandoned mines

Soil scientist Jim Ippolito believes in local solutions to local problems. The problem he's working on is contaminated soils near abandoned mines.

Pasture management and riparian buffers reduce erosion

Sediment is the number one pollutant in U.S. waterways. Over grazing can increase soil erosion from pastures as well as sediment loading into aquatic systems. Grazing management and buffer strips may reduce erosion, however, ...

Trading farmland for nitrogen protection

Excess nitrogen from agricultural runoff can enter surface waters with devastating effects. Algal blooms and fish kills are a just a couple of possible consequences. But riparian buffer zones - areas of grasses, perennials, ...

Upstream trenches, downstream nitrogen

Water quality scientist Laura Christianson is working on a solution to the "dead zone"—an area with dangerously low levels of oxygen— in the Gulf of Mexico. Christianson lives over a thousand miles north of the Gulf in ...

For dairy farms, flaring methane offers mitigation option

As New York's dairy farms get larger and store more manure – rather than spread it – methane emissions have doubled in the last two decades. To reduce this potent greenhouse gas in the atmosphere, Cornell researchers ...

Bioreactors ready for the big time

Last summer, the Gulf of Mexico's "dead zone" spanned more than 6,400 square miles, more than three times the size it should have been, according to the Gulf Hypoxia Task Force. Nitrogen runoff from farms along the Mississippi ...

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