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policy instrument
UK National Inventory Document – country-specific estimate of concrete carbonation CO2 sink
Jurisdiction countryUnited Kingdom
Instrument typecertification-protocol
Authoritygovernment
PathwaysOther emerging (escape hatch; 3 records on the same thing → new code)
Scopecarbon removal only
Statusin-force
DetailThe UK has become the first country to include a country-specific scientific estimate of CO2 absorbed by concrete buildings and infrastructure in its National Inventory Document submitted to the UNFCCC. The new entry, in the annex to the 2026 inventory, states that UK concrete assets absorbed 1.48 Mt CO2 in 2024 — equivalent to about 29% of the process emissions associated with cement used in the
Stated statusin-force
Pathway scopespecific
Pathway notethe entry specifically quantifies CO2 absorbed by concrete carbonation as a sink, not a general CDR framework
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