{"id":156,"date":"2026-08-25T21:18:11","date_gmt":"2026-08-25T21:18:11","guid":{"rendered":"https:\/\/emergysystems.org\/?page_id=156"},"modified":"2026-08-26T14:54:22","modified_gmt":"2026-08-26T14:54:22","slug":"reflection-6","status":"publish","type":"page","link":"https:\/\/emergysystems.org\/?page_id=156","title":{"rendered":"Reflection #6"},"content":{"rendered":"\n

8 minute read<\/em><\/p>\n\n\n\n

Information, Form, and Labor in Emergy Accounting<\/h3>\n\n\n\n

All production requires three elements: materials, energy, and information. Materials provide the substance, energy drives transformation, and information directs and organizes those transformations. This holds across ecological, physical, and chemical systems, but the focus here is on economic production. While the roles of materials and energy are well understood, the role of information in economic production is less clearly defined. It is this component that is the focus of this reflection.<\/p>\n\n\n\n

Two aspects of information are central. The first is the change in form of materials. As resources are processed and refined, they are organized into increasingly structured configurations, reflecting increasing form. The second is the embodiment of information through human activity. Information is generated, applied, and transmitted through labor and services, which carry knowledge, design, control, and coordination within the economy.<\/p>\n\n\n\n

Emergy and Form <\/strong><\/h4>\n\n\n\n

In emergy accounting, the emergy of a product is obtained by summing the inputs required at each stage of transformation, reorganizing materials into increasingly structured forms that reflect the accumulation of prior work.<\/p>\n\n\n\n

Form is the specific organization of materials that enables function. It represents the arrangement and constraint of matter that directs energy flows. Emergy accounts for the work required to create that organization and is therefore tied to that organization.<\/p>\n\n\n\n

This relationship becomes evident when form is degraded. Consider a soda can. Its emergy includes the work required to extract and refine aluminum and to shape it into a thin-walled container. That geometry enables it to contain and protect its contents. When the can is crushed, the aluminum remains, but the organization that enabled its function is lost. The material persists, but its capacity to perform that function is diminished.<\/p>\n\n\n\n

As that organization changes, the emergy associated with it changes as well. When form is degraded, the emergy required to restore that form provides a measure of what has been lost. This follows directly from the treatment of concentration and dispersion in biogeochemical cycles: increasing concentration requires work and raises emergy per unit mass, while dispersion reduces both concentration and the emergy associated with that state.<\/p>\n\n\n\n

A similar perspective was suggested by Odum (2001)[i]<\/sup><\/a> in \u201cAn Energy Hierarchy Law for Biogeochemical Cycles\u201d where he stated:<\/p>\n\n\n\n

When concentration increases in some part of a biogeochemical cycle, the emergy per mass increases. When material disperses \u2026, the stored emergy decreases. The amount can be calculated by estimating what emergy is required to restore its concentration again.<\/em><\/p>\n\n\n\n

This view is consistent with the interpretation offered here, in which the degradation of form and dispersion of materials reduces functional capacity, even though the material itself remains. <\/p>\n\n\n\n

Viewed in this way, the emergy of a product reflects both the material and the organization imposed upon it. While not separable in a strict accounting sense, these can be distinguished conceptually: the material persists, while the organization determines how that material can support and direct work.<\/p>\n\n\n\n

The data in the following Table illustrate the magnitude of the emergy required to impose form, expressed as the processing increment between raw materials and finished products. This increment includes the work of concentration, refinement, and structural organization, and in many cases exceeds the emergy of the raw material itself.<\/p>\n\n\n\n

\n
<\/div>\n\n\n\n
\n
Material<\/td>Raw Material a.<\/sup>
(109<\/sup> sej\/g)<\/td>		Finished Product b.<\/sup>
(109<\/sup> sej\/g)<\/td>		Form Emergy c.<\/sup>
(109<\/sup> sej\/g)<\/td><\/tr>
Wood Lumber d.<\/sup><\/td>0.45<\/td>0.92<\/td>0.47<\/td><\/tr>
Glass e.<\/sup><\/td>0.11<\/td>1.63<\/td>1.52<\/td><\/tr>
Steel f.<\/sup><\/td>14<\/td>38<\/td>24<\/td><\/tr>
Aluminum g.<\/sup><\/td>37.2<\/td>516<\/td>479<\/td><\/tr><\/tbody><\/table>
a. Source for raw-material unit emergy values (UEVs): Brown (2026); https:\/\/doi.org\/10.5281\/zenodo.18003590
b. Source for finished-product UEVs: Brown (2026); https:\/\/doi.org\/10.5281\/zenodo.18009214
c. Form emergy computed as the processing increment: Finished product \u2212 Raw material.
d. Wood: increment from softwood logs to dimensional lumber.
e. Glass: increment from silica sand to flat glass plate.
f. Steel: increment from iron ore to finished steel product.
g. Aluminum: increment from bauxite to aluminum can.<\/figcaption><\/figure>\n<\/div>\n\n\n\n
<\/div>\n<\/div>\n\n\n\n

This distinction is also evident in recycling. When a product such as an aluminum can is crushed, the material is largely conserved, but the organization that enabled that function is lost. The emergy associated with that organized state is no longer available to support that function. Returning the material to a usable form requires additional work to restore both concentration and structure. Recycling thus conserves material while requiring reinvestment of emergy to rebuild organization.<\/p>\n\n\n\n

A similar pattern holds at larger scales. As materials are concentrated within the geobiosphere, emergy increases through the work required to organize and concentrate them. As they are dispersed through use, that organization is degraded and the emergy associated with that state declines. Restoring that capacity requires new inputs of work.<\/p>\n\n\n\n

Seen in this way, recycling does not conserve emergy. It conserves material while degrading the organization that gives it functional capacity. The work required to restore that organization represents a reinvestment of emergy.<\/p>\n\n\n\n

Information Embodied in Labor and Services<\/strong><\/h4>\n\n\n\n

The second aspect of information is its embodiment through human activity. Labor and services function as carriers of information, transmitting knowledge, design, control, and coordination within production processes.<\/p>\n\n\n\n

Quantifying the emergy of information has remained difficult. While information can be measured abstractly in units such as bits, such measures do not capture its role in directing and organizing production. No widely accepted metric links information content directly to the work required to generate and apply it in economic systems.<\/p>\n\n\n\n

In practice, emergy accounting relies on proxies to represent these informational inputs. One approach, suggested by Howard T. Odum (1996), is to quantify labor time and multiply by an emergy per unit time, with values differentiated by level of training or skill. A second approach uses wages or salaries as a proxy, converting monetary payments into emergy using the Emergy Money Ratio (EMR).<\/p>\n\n\n\n

The first method derives emergy values from an age-structured cohort framework, in which the total emergy of the economy is distributed across individuals at different levels of training or skill. Emergy per individual is computed by dividing total empower by the number of individuals at each level, yielding an estimate of the emergy required to maintain individuals at that level. This provides an estimate of the emergy required to sustain the informational capacity embodied in labor.<\/p>\n\n\n\n

The second method interprets wages as an aggregate measure of the knowledge, training, and organizational capacity contributed by workers. Monetary compensation is converted to emergy using the EMR, providing an alternative estimate of the informational inputs to production.<\/p>\n\n\n\n

The table below compares these two approaches. Maintenance-based emergy values exceed wage-derived values across all levels, indicating a divergence between the emergy required to sustain informational capacity and the monetary values assigned to it within the economy.<\/p>\n\n\n\n

Societal Attainment<\/td>Number1<\/sup>
(million)<\/td>		Emergy\/Individual2<\/sup>
(x1015<\/sup>sej\/ind\/yr)<\/td>		Emergy per hour of labor5<\/sup>
(x1012<\/sup>sej\/hr)<\/td>		Average Wage3<\/sup>
(1000\u2019s)<\/td>		Emergy\/Individual4<\/sup>
(x1015<\/sup>sej\/ind\/yr)<\/td>		Emergy per hour. of labor5<\/sup>
(x1012<\/sup>sej\/hr)<\/td><\/tr>
Children<\/td>341.8<\/td>206.5<\/td>103.3<\/td>$8.5<\/td>28.2<\/td>14.1<\/td><\/tr>
HighSchool<\/td>95.7<\/td>737.7<\/td>368.8<\/td>$31.2<\/td>103.6<\/td>51.8<\/td><\/tr>
College<\/td>80.3<\/td>878.9<\/td>439.5<\/td>$53.3<\/td>176.7<\/td>88.3<\/td><\/tr>
Graduate or 
Professional Degree<\/td>		49.2<\/td>1434.3<\/td>717.2<\/td>$86.7<\/td>287.5<\/td>143.8<\/td><\/tr>
Public Status<\/td>3.4<\/td>20654.5<\/td>10327.2<\/td>$3.831<\/td>12699.2<\/td>6349.6<\/td><\/tr><\/tbody><\/table>
1.\u00a0\u00a0US Department of Labor, Bureau of Labor Statistics http:\/\/www.bls.gov\/cps\/
2.\u00a0\u00a0Calculated by dividing the total emery used by the population in that category based on method used by Odum (1996)
3.\u00a0\u00a0Estimated based on US Department of Labor, Bureau of Labor Statistics data
4.\u00a0\u00a0Calculated using emergy-money ratio of 1.1 E12 sej\/$ times the average wage
5.\u00a0\u00a0Assuming 2000 wage earning hours per year.
\u00a0<\/figcaption><\/figure>\n\n\n\n

These methods do not measure information itself. Rather, they estimate the emergy required to maintain and apply information within the economy. They do not represent the emergy required to generate that information, which remains difficult to quantify directly. These methods estimate the emergy required to maintain and apply information within the economy. So, while labor and services are <\/p>\n\n\n\n

Synthesis<\/strong><\/h4>\n\n\n\n

Taken together, form and labor represent complementary expressions of information in economic systems. Form reflects information embedded in the organization of materials, while labor and services embody the capacity to generate, apply, and maintain that organization. Both require work to create and sustain, and both degrade over time, requiring continual reinvestment of emergy.<\/p>\n\n\n\n

This framing raises an important question for modern production systems. If information is embodied not only in the organization of materials, but also in human labor and services, what are the implications when that role begins to shift? Emerging forms of agentic artificial intelligence are increasingly capable of generating, applying, and transmitting information within production processes, potentially substituting for some functions traditionally carried by human labor. From an emergy perspective, this raises fundamental questions about how information is embodied, how its contribution is measured, and how the balance among energy, materials, and information may be changing. <\/p>\n\n\n\n

\n\n\n\n

[i]<\/sup><\/a> Odum, H. T. (2001). An energy hierarchy law for biogeochemical cycles. In M. T. Brown (Ed.), Emergy synthesis: Theory and applications of the emergy methodology<\/em> (pp. 235\u2013248). Center for Environmental Policy, University of Florida.<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

8 minute read Information, Form, and Labor in Emergy Accounting All production requires three elements: materials, energy, and information. Materials provide the substance, energy drives transformation, and information directs and organizes those transformations. This holds across ecological, physical, and chemical systems, but the focus here is on economic production. While the roles of materials and […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-156","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/emergysystems.org\/index.php?rest_route=\/wp\/v2\/pages\/156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/emergysystems.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/emergysystems.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/emergysystems.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/emergysystems.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=156"}],"version-history":[{"count":5,"href":"https:\/\/emergysystems.org\/index.php?rest_route=\/wp\/v2\/pages\/156\/revisions"}],"predecessor-version":[{"id":178,"href":"https:\/\/emergysystems.org\/index.php?rest_route=\/wp\/v2\/pages\/156\/revisions\/178"}],"wp:attachment":[{"href":"https:\/\/emergysystems.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}