Thursday, August 27, 2009

oh no, ozone woes

New scientific studies link nitrous oxide to the depletion of the ozone layer.

The New York Times reports:

Most of the nitrous oxide in the atmosphere emerges naturally, through the action of bacteria in the soil, the researchers say. But the gas is also produced by human activity, through the use of nitrogen-based fertilizers, the application of livestock manure to fields, the burning of biofuels and in other ways.

Though nitrous oxide is not regulated under the Montreal Protocol, the 1987 agreement to limit emissions of ozone-depleting chemicals, the researchers say it is emerging as the leading artificial cause of ozone loss.

The researchers, from the National Oceanic and Atmospheric Administration, report their findings in Friday’s issue of the journal Science. get the full article

I know a way to cut back on nitrogen-based fertilizers...the government can stop subsidizing corn and encouraging its over-production.


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