# natural gas

> fossil fuel

**Wikidata**: [Q40858](https://www.wikidata.org/wiki/Q40858)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Natural_gas)  
**Source**: https://4ort.xyz/entity/natural-gas


## References

1. Natural gas. ECHA Substance Infocard database
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=31816)
3. Nuovo soggettario
4. Freebase Data Dumps. 2013
5. Integrated Authority File
6. YSO-Wikidata mapping project
7. [Environment Ontology](https://raw.githubusercontent.com/INCATools/environments2wikidata/master/matches/curated-high-confidence-envo.tsv)
8. UMLS 2023
9. Quora
10. [Source](https://www.bbc.com/things/)
11. [Source](https://encyklopedia.pwn.pl/haslo/gaz-ziemny;3904370.html)
12. [Source](https://golden.com/wiki/Natural_gas-R9DPK)
13. National Library of Israel
14. KBpedia
15. GF WordNet
16. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)