Here are the main findings of the study:
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In 2011, 91% of extracted fossil carbon went directly into the atmosphere, while 9% accumulated in the technosphereThis accumulation primarily occurs in construction, manufacturing, and households.
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From 1995 to 2019, 8.4 Gt of fossil carbon (equivalent to 30.8 Gt CO2 equivalent) accumulated in the technosphere.Most of this carbon remains in the products we use, but some ends up in landfills, where it takes more than 50 years to decompose.
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Highest FC accumulation was observed in buildings and infrastructure, representing 34% of the total FC addition to the stockpile. Bitumen accounts for the largest share of this amount.
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Increasing recycling rates and extending product lifespans can reduce dependence on new sources of fossil carbonBetter waste management can limit carbon leakage from landfills and prevent long-term negative environmental impacts.
The document emphasizes that Durable goods and infrastructure act as a temporary carbon sinkHowever, without proper management, this carbon will eventually be released into the atmosphere or biosphere.
The study authors emphasize the importance further research aimed at reducing dependence on fossil carbon by limiting its inflow into the technosphere and slowing its permeability within it.
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