> For the complete documentation index, see [llms.txt](https://docs.millpont.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.millpont.com/meti-resources/what-is-a-source.md).

# What is a Source?

## Definition

A **Source** refers to the point of origin of an environmental benefit. For METI, a Source is considered an individual contiguous parcel or facility that is the smallest unit of land with the following characteristics:

1. **A permanent, contiguous boundary**\
   \&#xNAN;*Example:* A 40-acre field used for regenerative grazing, surrounded by roads or fences that clearly define its edges.
2. **A common land cover and land management**\
   \&#xNAN;*Example:* A corn field with cover cropping and no-till practices applied across the entire parcel.
3. **Common ownership or group of owners/land managers**\
   \&#xNAN;*Example:* A pasture owned by a farming cooperative or managed jointly by a family under a single operational agreement.
4. **A common project administrator or project proponent (i.e., Custodian)**\
   \&#xNAN;*Example:* A reforestation project led by a local conservation NGO overseeing multiple parcels within a watershed program.

These criteria ensure that each Source is distinctly identifiable, manageable, and accurately linked to its environmental outcomes.

## Example

Below is an example of three fields that meet METI’s definition of a Source. Each field represents a distinct, contiguous parcel of land with a defined boundary, consistent land cover and management practices, and shared oversight by a common project administrator (i.e. Custodian). These fields demonstrate how Sources are clearly delineated and aligned with METI’s standards for secure environmental asset tracking.

* **Field ID: 1**\
  \&#xNAN;*Crop Type:* Corn\
  \&#xNAN;*Management Practices:* No-Till
* **Field ID: 2**\
  \&#xNAN;*Crop Type:* Soybeans\
  \&#xNAN;*Management Practices:* No-Till & Cover Crops
* **Field ID: 3**\
  \&#xNAN;*Crop Type:* Wheat\
  \&#xNAN;*Management Practices:* No-Till & Cover Crops

<figure><img src="/files/eW17zlmiWdUr05mZprOy" alt=""><figcaption></figcaption></figure>

This example highlights how Sources are identified and differentiated based on specific attributes, ensuring accurate and consistent tracking of environmental outcomes.


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