How LCAs for Water Bottles Work

This video explains the life cycle analysis (LCA) of water bottles, focusing on the three main phases: production, use, and end-of-life.

Key moments with timestamps:

  • 0:00-1:00: Introduction to LCA and the three phases for water bottles.
  • 1:00-2:30: Breakdown of the production phase, highlighting its significant impact and various data inputs like resource extraction, manufacturing, packaging, and beverage production.
  • 2:30-3:30: Explanation of the use phase for single-use water bottles, including transportation, washing, and refrigeration.
  • 3:30-4:30: Comparison of the use phase for single-use and reusable water bottles, emphasizing the longer use cycle and additional washing factor for reusables.
  • 4:30-5:30: Discussion of the end-of-life phase and its dependence on disposal methods like recycling or landfilling.
  • 5:30-6:30:¬†Comparison of the life cycle of single-use and reusable water bottles using a diagram,¬†showcasing the significant impact of the production phase for both.

Additional details:

  • The video mentions that most of the impact for water bottles comes from the production phase.
  • The use phase for single-use water bottles is relatively low compared to production.
  • The life cycle analysis of reusable water bottles includes factors like the number of uses and the source of water.
  • Different studies may have different assumptions and scenarios, leading to variations in the results.

Data Sources

[1] Environmental Life Cycle Assessment of Drinking Water Alternatives and Consumer Beverage Consumption in North America (Access)

[2] Life cycle assessment of single-use and reusable plastic bottles in the city of Johannesburg (Access)

Olatayo KI, Mativenga PT, Marnewick AL. Life cycle assessment of single-use and reusable plastic bottles in the city of Johannesburg. S Afr J Sci. 2021;117(11/12), Art. #8908. sajs.2021/8908

[3] Reusable vs Single-Use Packaging: A Review of Environmental Impacts (Access)

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