# Snowball Earth

> worldwide glaciation episodes during the Cryogenian Period of the Neoproterozoic Era

**Wikidata**: [Q214689](https://www.wikidata.org/wiki/Q214689)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Snowball_Earth)  
**Source**: https://4ort.xyz/entity/snowball-earth


## References

1. Freebase Data Dumps. 2013
2. Quora
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)