| Subject | English | Spanish |
| environ. | area emission source | fuente difusa |
| environ. | emission source | fuente de emisión |
| environ. | emission source A chemical process, building, furnace, plant or other entity responsible for the discharge of pollutants or contaminants into the environment | fuentes de emisión |
| environ. | emission source | fuente |
| UN, clim. | emission source sampling | muestreo de la emisión de una fuente |
| environ. | local emission source | fuente de emisión local |
| UN, clim. | point emission source | fuente individual |
| UN, clim. | point emission source | foco concentrado |
| UN, clim. | point emission source | fuente localizada |
| UN, clim. | point emission source | fuente puntual |
| UN, clim. | point emission source | distintas fuentes (pl.) |
| environ. | source of emission | fuente de emisión |
| environ. | source of emission | fuente |