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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Household light makes global heat: High black carbon emissions from kerosene wick lamps
Environmental Science and Technology, Volume 46, No. 24, Year 2012
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Description
Kerosene-fueled wick lamps used in millions of developing-country households are a significant but overlooked source of black carbon (BC) emissions. We present new laboratory and field measurements showing that 7-9% of kerosene consumed by widely used simple wick lamps is converted to carbonaceous particulate matter that is nearly pure BC. These high emission factors increase previous BC emission estimates from kerosene by 20-fold, to 270 Gg/year (90% uncertainty bounds: 110, 590 Gg/year). Aerosol climate forcing on atmosphere and snow from this source is estimated at 22 mW/m2 (8, 48 mW/m 2), or 7% of BC forcing by all other energy-related sources. Kerosene lamps have affordable alternatives that pose few clear adoption barriers and would provide immediate benefit to user welfare. The net effect on climate is definitively positive forcing as coemitted organic carbon is low. No other major BC source has such readily available alternatives, definitive climate forcing effects, and cobenefits. Replacement of kerosene-fueled wick lamps deserves strong consideration for programs that target short-lived climate forcers. © 2012 American Chemical Society.
Authors & Co-Authors
Lam, Nicholas L.
United States, Berkeley
University of California, Berkeley
Chen, Yanju
United States, Urbana
University of Illinois Urbana-champaign
Weyant, Cheryl
United States, Urbana
University of Illinois Urbana-champaign
Venkataraman, Chandra
India, Mumbai
Indian Institute of Technology Bombay
Sadavarte, Pankaj
India, Mumbai
Indian Institute of Technology Bombay
Johnson, Michael
United States, Berkeley
Berkeley Air Monitoring Group
Smith, Kirk R.
United States, Berkeley
University of California, Berkeley
Brem, Benjamin Tobias
United States, Urbana
University of Illinois Urbana-champaign
Arineitwe, Joseph
Uganda, Kampala
Center for Integrated Research and Community Development (circodu)
Ellis, Justin E.
United States, Urbana
University of Illinois Urbana-champaign
Bond, Tami C.
United States, Urbana
University of Illinois Urbana-champaign
Statistics
Citations: 159
Authors: 11
Affiliations: 5
Identifiers
Doi:
10.1021/es302697h
ISSN:
0013936X
e-ISSN:
15205851
Research Areas
Environmental