natural source

{
  "id": "MLC-T-ENV-018304",
  "term": "natural source",
  "field": "Environment",
  "definition": "1. Non-manmade emission sources, including biological (biogenic sources such as plants) and geological sources (such as volcanoes), and windblown dust.\n\n2. A term used in this report to describe any air emissions source of natural origin. Examples include volcanoes, wildfires, wind-blown dust, and releases due to biological processes (See biogenic source).",
  "subject": "Air",
  "references": [
    "Improving Air Quality in Your Community Glossary; EPA 2004",
    "Report on the Environment (ROE) Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/natural-source/"
}