Inventory Database for Environmental Analysis (IDEA)
Name of source IDEA
Summary text IDEA is the standard equipment inventory database for MiLCA LCA software. IDEA, which stands for "Inventory Database for Environmental Analysis" has been jointly developed since FY2008 by the National Institute of Advanced Industrial Science and Technology (AIST) and Japan Environmental Management Association for Industry (JEMAI). 3000 datasets are available in both gate to gate and cradle to gate type.
Licensing Free in MiLCA software
Language(s) English/Japanese
Access – data formats and accessibility
File type IDEA format (based on ISO TS 14048)
Software needs MiLCA
Contents – breadth and depth of datasets
Age Released in 2010
Geography Global
Original Data Source(s) Made from Japanese and global statistics, modeling of production process and industry associations
Other Databases Included  
Life cycle stages All
Modeling approach Attributional approach
Emissions results GHGs and about 50 elementary flows
Number of datasets Approx. 3000
Main topics Agriculture and fisheries, mining, construction and civil construction and other non-manufacturing, food and beverages, textiles, chemicals, ceramics and building materials, metals, machinery, and other manufacturing, electricity gas, water and sanitation, etc.
Other topics  
Data transparency – what metadata is provided for each dataset?
System boundaries From cradle to grave
Data Types Gate to Gate and Cradle to Gate
Allocation Methods Mass based allocation is basically used
Technology Current
Data year 2000 to 2010
Original source  
Uncertainty Depends on dataset. Each dataset is evaluated by modified pedigree matrix.
Quality – is information provided on data quality?
Data quality score  
Quality assurance Internal review
Standards compliant Based on ISO 14040/14044