Environmental full-cost accounting

Environmental full-cost accounting (EFCA) is a method of cost accounting that traces direct costs and allocates indirect costs^[1] by collecting and presenting information about the possible environmental costs and benefits or advantages – in short, about the "triple bottom line" – for each proposed alternative. It is one aspect of true cost accounting (TCA), along with Human capital and Social capital. As definitions for "true" and "full" are inherently subjective, experts consider both terms problematic.^{[n 1]}

Since costs and advantages are usually considered in terms of environmental, economic and social impacts, full or true cost efforts are collectively called the "triple bottom line". Many standards now exist in this area including Ecological Footprint, eco-labels, and the International Council for Local Environmental Initiatives' approach to triple bottom line using the ecoBudget metric. The International Organization for Standardization (ISO) has several accredited standards useful in FCA or TCA including for greenhouse gases, the ISO 26000 series for corporate social responsibility coming in 2010, and the ISO 19011 standard for audits including all these.

Because of this evolution of terminology in the public sector use especially, the term full-cost accounting is now more commonly used in management accounting, e.g. infrastructure management and finance. Use of the terms FCA or TCA usually indicate relatively conservative extensions of current management practices, and incremental improvements to GAAP to deal with waste output or resource input.

These have the advantage of avoiding the more contentious questions of social cost.

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