Cost effectiveness of recycling: a systems model

Area of Science:

• Environmental Science
• Waste Management Systems
• Municipal Operations

Background:

• Traditional financial models often show recycling costs exceeding direct benefits.
• Externalities like environmental impact are typically needed to justify recycling economically.
• Empirical studies present conflicting findings on recycling's cost-effectiveness compared to disposal.

Purpose of the Study:

• To present an empirical systems model for waste management.
• To analyze the cost-effectiveness of curbside recycling programs.
• To determine the threshold of waste stream diversion for achieving system savings.

Main Methods:

• Development of an empirical systems model based on a suburban Long Island municipality.
• Accounting for shifts in collection effort as recycling tonnages increase.
• Examination of seven distinct waste management scenarios.

Main Results:

• All seven examined cases indicate overall system savings when curbside collection programs manage 31% to 37% of the waste stream.
• Savings arise from cost differences in disposal fees (tip fees) and increased collection efficiency.
• Recycling can lead to a more cost-effective waste collection program.

Conclusions:

• Increased recycling is justifiable based on direct cost savings alone.
• The findings challenge the necessity of relying on non-monetary factors (externalities) to justify recycling programs.
• Municipal waste management systems can achieve economic benefits through optimized recycling rates.