Tracing life cycles for whole systems is my approach, using the empirical method for identifying systems as developmenal circular accumulation processes. www.synapse9.com ¸¸¸¸.·´ ¯ `·.¸¸¸¸
I'm interested in ReCiPe as a way to begin tagging impact measures with questions about the natural phases of development and independent reactions of the whole systems they influence