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Reducing Emissions and Air Pollution from the Informal Sector: Evidence from Bangladesh

Environment and Climate Change

We present results from a randomized controlled trial in Bangladesh that introduced operational practices to improve energy efficiency and reduce emissions in 276 “zigzag” brick kilns. 65% of intervention kilns adopted the improved practices. Treatment assignment reduced energy use by 10.3% (p-value<0.001) and decreased CO2 and PM2.5 emissions by 171 metric tons and 0.45 metric tons, respectively, per kiln per year. Valuing the CO2 reductions using a social cost of carbon of $185/MT, we find that the social benefits outweigh costs by a factor of 190 to 1. The intervention, which required no new capital investment, also decreased fuel costs and increased brick quality. Our results demonstrate the potential for privately profitable, as well as publicly beneficial, improvements to address environmental problems in informal industries.

wp2065.pdf (5.05 MB)
Author(s)
Nina R. Brooks
Debashish Biswas
Sameer Maithel
Grant Miller
Aprajit Mahajan
M. Rofi Uddin
Shoeb Ahmed
Moogdho Mahzab
Mahbubur Rahman
Stephen P. Luby
Publication Date
August, 2024