50 entries under feature topic. ×

7
environmental(adjective, nature, environment, condition)
7
natural(adjective, nature, characteristic, environment)
6
ecological(adjective, nature, environment, condition)
6
green(adjective, nature, environment, condition)
6
organic(adjective, nature, characteristic, environment)
5
biological(adjective, nature, environment, ecology)
5
bionomic(adjective, nature, environment, condition)
5
ecofriendly(adjective, nature, environment, condition)
4
habitual(adjective, nature, characteristic, environment)
4
native(adjective, nature, characteristic, environment)
3
bionomical(adjective, nature, environment, ecology)
3
ecologic(adjective, nature, environment, condition)
3
emission-free(adjective, nature, environment, condition)
3
innate(adjective, nature, characteristic, environment)
2
biodegradable(adjective, nature, environment, condition)
2
carbon-neutral(adjective, nature, environment, condition)
2
ecologically-clean(adjective, nature, environment, condition)
2
ecologically-friendly(adjective, nature, environment, condition)
2
ecologically-green(adjective, nature, environment, condition)
2
ecologically-safe(adjective, nature, environment, condition)
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APASmart Define. (2015). natural environment thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/natural_environment/thesaurus/related
ChicagoSmart Define. 2015. "natural environment thesaurus" https://smartdefine.org/natural_environment/thesaurus/related (accessed September 28, 2026).
HarvardSmart Define 2015, natural environment thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/natural_environment/thesaurus/related>.
MLASmart Define. "natural environment thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/natural_environment/thesaurus/related>