- https://www.health.harvard.edu/mind-and-mood/a-prescription-for-better-health-go-alfresco
- https://www.floridahealth.gov/newsroom/2018/06/062818-article-5-health-benefits-of-spending-time-in-nature.html
- https://www.eehealth.org/blog/2018/08/mastro-how-nature-can-help-us-heal/
- https://lifeworkscc.com/mental-health-benefits-outdoors/