Jämför metoder

	Emergyanalys	Ekologiskt fotavtryck	Materialflödesanalys (MFA)
Ämnesområde	Hållbarhet	Hållbarhet	Hållbarhet
Familj	Process / pipeline	Process / pipeline	Process / pipeline
Ursprungsår	1996	1996	2004
Upphovsperson	Howard T. Odum	Mathis Wackernagel & William Rees	Brunner & Rechberger
Typ	Environmental systems accounting	Environmental accounting indicator	Quantitative systems accounting method
Ursprungskälla	Odum, H. T. (1996). Environmental Accounting: Emergy and Environmental Decision Making. John Wiley & Sons. ISBN: 978-0-471-11442-0	Wackernagel, M., & Rees, W. (1996). Our Ecological Footprint: Reducing Human Impact on the Earth. New Society Publishers. ISBN: 978-0-86571-312-3	Brunner, P. H., & Rechberger, H. (2004). Practical Handbook of Material Flow Analysis. Lewis Publishers. ISBN: 978-1-56670-604-9
Alias	Embodied Energy Analysis, Environmental Accounting (Odum), Emergy Accounting, Emerji Analizi	EFA, Ecological Footprint Analysis, Biocapacity Accounting, Ekolojik Ayak İzi	Substance Flow Analysis, Bulk-MFA, Material Flux Analysis, Malzeme Akış Analizi
Närliggande	3	2	3
Sammanfattning	Emergy Analysis, developed by systems ecologist Howard T. Odum and formally presented in his 1996 book, is a biophysical accounting method that converts all inputs to a system — energy, materials, labor, and services — into a common unit of solar energy equivalents called solar emjoules (sej). By tracing how much prior environmental work was required to produce each input, it enables researchers, engineers, and policymakers to compare fundamentally different resource types on a single thermodynamic basis.	Ecological Footprint Accounting (EFA) is a resource accounting framework that measures how much biologically productive land and water area a human population requires to produce the resources it consumes and to absorb the waste it generates. Introduced by Mathis Wackernagel and William Rees in 1996, it compares human demand on nature against Earth's regenerative capacity, expressed in standardized global hectares (gha).	Material Flow Analysis (MFA) is a systematic method for quantifying the flows and stocks of materials within a defined system boundary over a specified time period. Introduced comprehensively by Paul H. Brunner and Helmut Rechberger in their 2004 handbook, MFA applies mass-balance principles to track how raw materials, products, wastes, and emissions move through industrial, urban, or national metabolisms, enabling evidence-based resource management and waste policy.