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EnvironmentalImpact category / IndicatorUnitDescription
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Climate change – total, fossil, biogenic and land usekg CO2-eqIndicator of potential global warming due to emissions of greenhouse gases to air. Divided into 3 subcategories based on the emission source: (1) fossil resources, (2) bio-based resources and (3) land use change.
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Ozone depletionkg CFC-11-eqIndicator of emissions to air that cause the destruction of the stratospheric ozone layer
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Acidificationkg mol H+Indicator of the potential acidification of soils and water due to the release of gases such as nitrogen oxides and sulphur oxides
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Eutrophication – freshwaterkg PO4-eqindicator of the enrichment of the fresh water ecosystem with nutritional elements, due to the emission of nitrogen or phosphor containing compounds
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Eutrophication – marineKg N-eqIndicator of the enrichment of the marine ecosystem with nutritional elements, due to the emission of nitrogen containing compounds.
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Eutrophication – terrestrialmol N-eqIndicator of the enrichment of the terrestrial ecosystem with nutritional elements, due to the emission of nitrogen containing compounds.
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Photochemical ozone formationkg NMVOC-eqIndicator of emissions of gases that affect the creation of photochemical ozone in the lower atmosphere (smog) catalysed by sunlight.
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Depletion of abiotic resources – minerals and metalskg Sb-eqIndicator of the depletion of natural non-fossil resources.
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Depletion of abiotic resources – fossil fuelsMJ, net calorific valueIndicator of the depletion of natural fossil fuel resources.
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Human toxicity – cancer, non-cancerCTUhImpact on humans of toxic substances emitted to the environment. Divided into non-cancer and cancer related toxic substances.
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Eco-toxicity (freshwater)CTUeImpact on freshwater organisms of toxic substances emitted to the environment.
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Water usem3 world eq. deprivedIndicator of the relative amount of water used, based on regionalized water scarcity factors.
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Land useDimensionlessMeasure of the changes in soil quality (Biotic production, Erosion resistance, Mechanical filtration).
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Ionising radiation, human healthkBq U-235Damage to human health and ecosystems linked to the emissions of radionuclides.
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Particulate matter emissionsDisease incidenceIndicator of the potential incidence of disease due to particulate matter emissions.
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Parameters that describe resources usedParameterUnitDescription
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Primary renewable energy (materials)MJUse of renewable primary energy resources as raw materials
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Primary renewable energy (energy)MJUse of renewable primary energy, excluding renewable primary energy resources used as raw materials
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Primary renewable energy (total)MJSum of the two values above
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Primary non-renewable energy (materials)MJUse of non-renewable primary energy resources as raw materials
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Primary non-renewable energy (energy)MJUse of non-renewable primary energy, excluding renewable primary energy resources used as raw materials
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Primary non-renewable energy (total)MJSum of the two values above
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Use of secondary materialkgMaterial recovered from previous use or from waste which substitutes primary materials
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Use of fresh waterm3Freshwater use in absolute values
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Use of renewable secondary fuelsMJRenewable fuel recovered from previous use or from waste which substitutes primary fuels
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Use of non-renewable secondary fuelsMJNon-renewable fuel recovered from previous use or from waste which substitutes primary fuels
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Other environmental information: Waste typeIndicatorUnitDescription
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Hazardous waste disposedkgHazardous waste has a certain degree of toxicity that necessitates special treatment
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Non-hazardous waste disposedkgNon-hazardous waste is non-toxic and similar to household waste. It consists of inert waste and ordinary household waste
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Radioactive waste disposedkgRadioactive waste mainly originates from nuclear energy reactors
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Other environmental information: Output flowsIndicatorUnitDescription
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Components for re-usekgMaterial or components leaving the modelled system boundary which is destined for reuse
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Materials for recyclingkgMaterial leaving the modelled system boundary which is destined for recycling
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Materials for energy recoverykgMaterial leaving the modelled system boundary which is destined for use in power stations using secondary fuels (minimum energy efficiency 60% or 65% for installations opened after 2008)
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Energy productionMJEnergy exported from waste incineration and landfill
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Source: https://ecochain.com/knowledge/impact-categories-lca/
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