Recent changes have been made to the International Organization for Standardization (ISO) norms that standardize the methodology for life cycle assessment (LCA). (treehugger.com)
Glass Lewis performs its own valuation to determine the value of stock options using the Black - Scholes model, along with standardized methodologies, to derive some of the input variables for all companies in our model. (glasslewis.com)
ISO later standardized the methodology with the publication of ISO 14040 — Life Cycle Assessment Principles and Framework) in 1997, which was later added to in 1998 (14041 — Goal & Scope Definition and Inventory Analysis) and 2000 (14042 — Life Cycle Impact Assessment, 14043 — Life Cycle Interpretation). (treehugger.com)