The importance of nature and the environment in relation to human health is coalescing, as demonstrated by the increased research that attempts to measure nature connectedness and relatedness. These findings align with constructs of cultural connectedness that assess for land connectedness as part of Indigenous ways of knowing. From an Indigenous worldview, relationships with the environment are critical to wellbeing. The purpose of this comprehensive systematic scoping literature review was two-fold: (1) identify and summarize existing measures of land, nature, and/or environmental connectedness, relatedness, and attitudes and (2) evaluate the psychometric properties of these scales. In total, 1438 articles were retrieved from select databases including PubMed/MEDLINE, PsycINFO, CINAHL (EBSCO), and Academic Search Complete (EBSCO). The final searches and application of the inclusion/exclusion criteria resulted in 57 unique articles and 38 scales categorized as connectedness and relatedness scales (n = 9 scales), attitudinal and values-based scales (n = 16 scales), cultural and spiritually based scales (n = 9 scales), and paradigm-based scales (n = 4 scales) (articles could be placed in multiple categories). Psychometric properties and general outcomes associated with nature-related scales are reported, with implications for future education, research, practice, and policy.

Native Hawaiians (NH), like other Indigenous peoples, continue to experience the subversive impacts of colonization. The traumatic effects of colonization, especially the forced relocation from land that sustained their life and health, have led to complex, interconnected health disparities seen today. NHs have described a collective feeling of kaumaha (heavy, oppressive sadness) resulting from mass land dispossession, overthrow of the Hawaiian Kingdom, cultural loss, and early loss of loved ones. Although historical trauma is linked to high rates of substance misuse, depression, suicidality, and other mental health disparities in American Indian populations. However, the link between NH historical trauma and health disparities among NHs has been less explored. This qualitative study used Indigenous talk story interviews with 34 NH ʻōpio (youth) and ka lawelawe (service providers) to explore how NH ʻōpio understand and experience historical trauma. Eight themes and 35 sub-themes were identified covering individual, community, and systemic domains representing the first step in addressing NH historical trauma.

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