Deposit system raises PET bottle carbon footprint from 4 g to 11 g CO2e.
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Study by Waszczyłko-Miłkowska and Kamińska-Borak proves results unequivocal. Municipal collection system carbon footprint is about 4 g CO2e per PET bottle. Deposit system carbon footprint is 11 g CO2e per PET bottle. Deposit system fails to reduce PET bottle carbon footprint. Deposit system increases PET bottle carbon footprint nearly threefold.

Ecology Global warming Science

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