ILCD Handbook: Framework and requirements for LCIA models and ...

ILCD Handbook: Framework and requirements for LCIA models and indicators First edition
The table below shows the general and specific criteria for climate change identifying the
minimum score (threshold value) to be met and the most relevant criteria for the impact
category (importance).
Table 4-1 General and specific criteria for climate change with threshold value and importance.
CLIMATE CHANGE Check the following:
Introduction
Completeness
of scope
Environmental
relevance
Scientific
robustness &
Certainty
• Timeframe, discounting, etc.
• Marginal (M) or Average (A) defined, if not described (ND)
• Total number of substances covered by the provided
characterisation factors
Threshold
(Minimum
score)
• The impact indicator covers the majority of impact
mechanisms and relevant elementary flows for the AoP Human
Health H
• The impact indicator covers the majority of impact
mechanisms and relevant elementary flows for the AoP Natural
Environment? H
• The impact indicator covers the majority of impact
mechanisms and relevant elementary flows for the AoP Natural
Resources
• The midpoint indicator is chosen at the right point in the
cause-effect chain, where all LCI are aggregated as early as
possible in the cause effect chain
• The characterization model is adaptable to spatial and
temporal explicit evaluation
• Global geographical validity preferable, separate validity for
Europe beneficial
• The method is compatible with, or developed specifically for,
the comparative assessment scope of LCA (e.g. factors do not
include security factors/precautionary principle) B H
• When empirical data is used, double counting is avoided
Overall evaluation
• All critical parts of the environmental mechanism describing
the cause-effect chain are included with acceptable quality C H
Overall evaluation
Scientific
robustness
• Atmospheric fate and transport is considered C
• For damages on ecosystems, all relevant effects are
considered
• For damages on Human Health, all relevant effects are
considered
• The critical part of the model including the input data have
been peer reviewed (journal, panel, book, etc.) H
• The model reflects the latest stage of knowledge for the
cause-effect chain (the critical links are covered)
• All category indicators and characterisation models linking
midpoint to damage are science based
• The coverage of the impacts in the modelling from midpoint to
endpoint is complete
• The fate and transport model reflects the latest stage of
knowledge
• The human damage model is scientific robust
• The ecosystem damage model with loss of species is
scientific robust
• The ecosystem damage model on primary production is
scientific robust
Importance
(H-N)
4 Requirements for specific impact categories 31