New Tool to Measure 'Nitrogen Footprint'

by Sheela Philomena on  March 1, 2011 at 12:54 PM Environmental Health   - G J E 4
Scientists have created a new web-based tool that calculates an individual's nitrogen footprint and thereby supports sustainable living choices.
 New Tool to Measure 'Nitrogen Footprint'
New Tool to Measure 'Nitrogen Footprint'

The device was developed by University of Virginia environmental scientist James N. Galloway; Allison Leach, a staff research assistant at U.Va.; and colleagues from the Netherlands and the University of Maryland.

The calculator is a project of the International Nitrogen Initiative, a global network of scientists who share research and data on the nitrogen dilemma.

Galloway, a pioneering nitrogen scientist, organized a global team of experts to develop the footprint calculator as an educational tool - one he and his colleagues hope will both raise the profile of the nitrogen issue and galvanize people into action.

By measuring what and how much you eat, as well as other factors like how you travel, the calculator shows your impact on the nitrogen cycle.

The website also makes recommendations for how to lessen your "nitrogen footprint." They are similar to other sustainable living choices: reduce airplane travel, choose renewable energy and eat less meat, particularly beef (since cattle consume massive quantities of farmed feed, which requires much fertilizer).

Professors and lecturers are already using the tool in classrooms to teach students how one individual can alter - and help restore - a natural nitrogen cycle.

"Solving the nitrogen dilemma is a major challenge of our time," Leach said. "By calculating our individual impact, and taking small steps to reduce it, we can all play a part - and send a strong message to our nation's leaders that we want this issue taken seriously."

This new footprint calculator is the first in a series of research tools, known as N-Print, which Galloway and his team are developing to connect the production of nitrogen with the policies used to manage it. The team is currently creating a similar calculator for farmers and other nitrogen users, as well as a tool for policymakers that will provide regional nitrogen emission ceilings, which will show how much nitrogen can be released in these regions without major negative environmental impact.

"There are readily available solutions to reducing nitrogen pollution," Galloway said. "By connecting consumers, producers and policymakers, we can solve it."

The project was announced Feb. 19 at the annual meeting of the American Association for the Advancement of Science in Washington.

Source: ANI

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