Certified Supply Chain Professional (CSCP) Practice Exam

Which of the following is the least desirable option in the waste hierarchy?

1. Reduce

2. Reuse

3. Recycle

4. Dispose in landfill

The correct answer is: Dispose in landfill

The least desirable option in the waste hierarchy is to dispose of waste in a landfill. This approach is considered the final resort when no other options are feasible or effective. It represents the lowest level of waste management because it does not contribute to sustainability or resource recovery. Instead, landfilling wastes valuable materials and can have negative environmental impacts, such as soil and water contamination and greenhouse gas emissions. In contrast, the other alternatives—reduce, reuse, and recycle—are all more favorable options that promote sustainability. Reducing waste minimizes the amount of materials consumed in the first place, effectively addressing the issue at its source. Reusing items extends their life cycle and reduces the need for new products. Recycling transforms waste materials into new products, thereby conserving resources and reducing the energy consumption associated with manufacturing. Overall, while all waste management options should be carefully considered, landfilling is seen as the least desirable due to its environmental and resource-wasting consequences.