European cartonboard manufacturers and mills reduced their carbon footprint by 7% between 2005 and 2008, according to research conducted on behalf of European trade body Pro Carton.
The organisation's Life Cycle Impact Assessment study compared two sets of data using the same sample of mills and manufacturers.
The results found that while mills were using less wood and energy to become more resource-efficient, manufacturers were cutting their emissions by reducing waste, particularly in the printing process.
"Less fossil fuels were used in the mills' production and more biomass was used," Pro Carton said.
"This led to less consumption of fossil resources and a decrease in carbon dioxide, sulphur dioxide and nitrogen oxide emissions. Also, emissions to water have decreased."
The research showed that the carbon footprint for cartons is 964kg of fossil CO2 emissions per tonne of cartonboard produced and converted.
The carbon footprint results were reviewed by the National Council for Air and Stream Improvement, a scientific institute based in the US.
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