Plastic Lifecycle and Its Energy Consumption

Abstract

Plastics are among the most widely used materials globally, valued for their low cost, lightweight nature, durability, and versatility. However, the life cycle of plastics, from production to disposal, is intrinsically linked to significant energy consumption and environmental challenges. This chapter provides a comprehensive analysis of the life cycle of plastics, emphasizing their contribution to greenhouse gas (GHG) emissions and their role in exacerbating climate change. By exploring the production, consumption, and disposal phases, the study identifies the primary sources of energy demand and evaluates their environmental impacts. Key findings reveal that plastic production accounts for the majority of energy consumption, heavily influenced by the energy mix of producing regions. The disposal stage shows wide variability in energy use due to differing methods such as landfilling, incineration, and recycling, with recycling offering significant potential to mitigate environmental harm despite underutilization. The analysis also highlights the growing global plastic production and its correlation with increased waste generation, much of which remains unmanaged or improperly disposed of. This chapter underscores the urgent need for sustainable interventions, including the development of bio-based plastics with lower energy footprints, improved recycling systems, and a shift towards renewable energy in production and disposal. By integrating these strategies, the plastic sector can transition towards a more sustainable and environmentally responsible trajectory. The insights presented serve as a critical resource for policymakers, industries, and researchers aiming to address the dual challenges of plastic pollution and energy-intensive production.