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Traditional Bull Trench Kilns To Zigzag Brick Firing Technologies

Patan, Lalitpur, Kathmandu ValleyMay 2026

Initiatives For Safahawa

Sometimes, positive environmental changes happen quietly. Nepal's transition from traditional Bull Trench brick kilns to zigzag firing technology is helping improve air quality by reducing dust, smoke, and black carbon emissions.

The new technology uses less coal, produces better-quality bricks, and creates safer working conditions for laborers. While air pollution remains a major challenge, innovations like these show that economic development and environmental responsibility can go hand in hand.

Every step toward cleaner production is a step toward cleaner air for all of us.

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Zenny Shah

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