SAPIR, Edward, 1912. Language and Environment. American anthropologist. 1912. Vol. 14, no. 2, p. 226–242. jstor 
[Accessed 10 February 2024]. r.LangEnv.Sapir
[…] the extreme position of reducing practically all manifestations of human life and thought to environmental influences.
[…] the influence had by Forces of Environment on Traits of culture.
NORLING, Martina and SANDBERG, Anette, 2015. Language learning in outdoor environments: Perspectives of preschool staff. Nordisk barnehageforskning. 2015. Vol. 9. page [Accessed 9 February 2024].
> […] a portion of the everyday activities in most Swedish preschools occur outdoors, and we therefore draw attention to how staff members describe the outdoor environment as a language-stimulating environment. Lastly, preschool staff’s use of techniques to promote language development, like employing language that encourages children to engage in reflective thinking (Harle & Trudeau, 2006) and asking open-ended questions in free-play activities (Rivera, Girolametto, Greenberg & Weizman 2005) may hasten children’s language acquisition.