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- PP has the lowest CO2e emissions by weight of all categories of plastic: 14% less than the next best plastic, HDPE.
(source, WalMart Packaging Scorecard)
- Walmart's hypothetical product comparison of plastic types:
- Greenhouse gas emission from package production is lower than HDPE, PC PVC and PET.
- Lightest product weight compared to HDPE, PC, PVC and PET.
- Smallest mass and density of all plastic types.
- PP is the most sustainable material among all plastic types according to Walmart's overall criteria.
- PP has the highest scorecard result among all plastics types.
- Cradle-to-Gate Life Cycle Inventory Report, Frankin Associates, Dec. 2007 published report:
- PP second only to PVC in energy to produce raw material
- PP is the lowest CO2e to produce raw material
- Recycling rates have risen steadily:
- 3% in 2004
- 9% in 2007; 45.75 MM lbs (non bottle)
- 11% in 2008; 55.9 MM lbs (non bottle)
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