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Study IDs kerosene lamps as big source of black carbon
Date:11/28/2012

e lamps is low-hanging fruit, and we don't have many examples of that in the climate world," said study co-author Kirk Smith, professor at UC Berkeley's School of Public Health and director of the Global Health and Environment Program. "There are many inexpensive, cleaner alternatives to kerosene lamps that are available now, and few if any barriers to switching to them."

Smith pointed to lanterns with light-emitting diodes that can be powered by solar cells or even advanced cookstoves that generate electricity from the heat produced. Such technology, said Smith, is already available in developing countries.

The researchers used kerosene lamps purchased in Uganda and Peru and conducted field experiments there to measure the emissions. They repeated the tests in the lab using wicks of varying heights and materials, and kerosene purchased in the United States as well as in Uganda.

The study authors noted that converting to cleaner light sources would not only benefit the planet, it would help improve people's health. A recent epidemiological study in Nepal led by Smith and other researchers at UC Berkeley's School of Public Health, for example, found that women who reported use of kerosene lamps in the home had 9.4 times the rate of tuberculosis compared with those who did not use such lamps.

"Getting rid of kerosene lamps may seem like a small, inconsequential step to take, but when considering the collective impact of hundreds of millions of households, it's a simple move that affects the planet," said study lead author Nicholas Lam, a UC Berkeley graduate student in environmental health sciences.


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Contact: Sarah Yang
scyang@berkeley.edu
510-643-7741
University of California - Berkeley
Source:Eurekalert  

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