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Press Release 10-239

Global Rivers Emit Three Times IPCC Estimates of Greenhouse Gas Nitrous Oxide

Waterways receiving nitrogen from human activities are significant source

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Photo of the Corralles drainage ditch in Albuquerque, N.M.

The Corralles drainage ditch in Albuquerque, N.M., was one of 72 study sites in the research.

Credit: Chelsea Crenshaw


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Photo of a stream flowing through a pasture at the foot of the Grand Teton Mountains in Wyoming.

Stream flowing through a pasture at the foot of the Grand Teton Mountains in Wyoming.

Credit: Jake Beaulieu


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Photo of scientists collecting stream water samples on a golf course near Jackson Hole, Wyoming.

Scientists collect stream water samples on a golf course near Jackson Hole, Wyoming.

Credit: Jake Beaulieu


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Photo of a Michigan stream flowing through an agricultural landscape.

A Michigan stream collects high nitrate drainage water from an agricultural landscape.

Credit: Jake Beaulieu


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Photo of a stream in Kalamazoo, Michigan.

Streams in urban basins, like this one in Kalamazoo, Michigan, often receive excess nitrogen.

Credit: Jake Beaulieu


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Photo of an urban drainage canal in Oregon.

An urban drainage canal in Oregon was among the study sites in the experiment.

Credit: Jake Beaulieu


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