New research, conducted for M-real Consumer Packaging, has found that within the same grade (brand), the carbon footprint of a cartonboard reduces at least in proportion to its basis weight. A 15 percent reduction in board weight equates to an 18 percent reduction in carbon footprint, which is important to users concerned about sustainability. If they can specify a lighter weight board, provided all criteria regarding stiffness and performance are met, their own carbon footprint will diminish accordingly.
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