Pollution Control, Energy Efficiency, and Industrial Performance
Evaluating Sustainability Strategies in Pharmaceutical Manufacturing
Abstract
Sustainable manufacturing practices have gained increasing relevance as pharmaceutical industries seek to balance operational performance with environmental responsibility. Focusing on the Nigerian pharmaceutical manufacturing sector, this study investigates how such practices, including energy conservation, pollution control, renewable energy adoption, and recycling, may contribute to economic growth within pharmaceutical manufacturing firms. Using primary cross-sectional survey data collected in 2025 from 152 pharmaceutical manufacturing firms operating in Nigeria’s major industrial corridors (Lagos, Ogun, and Kano States) and analyzed through Partial Least Squares Structural Equation Modeling (PLS-SEM), the study assesses the direct and indirect effects of sustainability practices on energy efficiency, which serves as a proxy for productivity-driven growth. The results reveal that pollution control and energy-saving practices have statistically significant positive effects on energy efficiency, while renewable energy technologies show strong indirect effects through improvements in economic performance. Interestingly, recycling initiatives are negatively associated with efficiency, suggesting that energy-intensive recycling processes in pharmaceutical production may offset potential sustainability benefits. The model explains approximately 92% of the variance in energy efficiency, indicating a high degree of explanatory power. These findings imply that the effectiveness of sustainability strategies in pharmaceutical manufacturing is context-specific, and that strategic alignment of sustainability actions with operational goals can enhance both environmental and economic performance. The study recommends that policymakers implement performance-based incentives and life-cycle assessment (LCA)–informed guidelines to support firms in selecting context-appropriate green strategies.
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