Brick industry is one of the largest informal industrial sectors in Bangladesh contributes to 1% of GDP. Brick industry is expanding due to the expansion of the real estate sector while compromising several environmental and social consequences. To modernize the industry and to manage the environmental pollution, the government amended the Brick Burning Act 1989 and issued a number of orders following by enacting the Brick Manufacturing and Establishment of Brick Kilns (Control) Act 2013. The current study aims to understand the implications of regulatory changes in Brick Sector at Faridpur District based on primary and secondary data and identified around 66% brick kilns transformed into modern technology like zigzag and total 23100 tons of GHG emission has been reduced per year. At local level, technological availability, finance, government law and policy enforcement for pollution control, role of local DoE and administration, education and leadership of the local Brick Manufacturing Owners, etc. have influenced the adoption of modern kiln technology. Besides, the government has changed the brick kiln technology very fast. An incremental emission standard should be deployed to improve the energy efficiency of the brick sector.