16 entries under expression topic. ×

2
ecologically clean(feature, environment, ecology)
2
ecologically friendly(feature, environment, ecology)
2
ecologically harmless(feature, environment, ecology)
2
ecologically innocuous(feature, environment, ecology)
2
environmental responsible(feature, environment, ecology)
2
environmentally acceptable(feature, environment, ecology)
2
environmentally benign(feature, environment, ecology)
2
environmentally compatible(feature, environment, ecology)
2
environmentally compliant(feature, environment, ecology)
2
environmentally friendly(feature, environment, ecology)
2
environmentally neutral(feature, environment, ecology)
2
environmentally preferred(feature, environment, ecology)
2
environmentally pristine(feature, environment, ecology)
2
environmentally safe(feature, environment, ecology)
2
environmentally sensitive(feature, environment, ecology)
2
environmentally sound(feature, environment, ecology)
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APASmart Define. (2015). natural environment thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/natural_environment/thesaurus/related
ChicagoSmart Define. 2015. "natural environment thesaurus" https://smartdefine.org/natural_environment/thesaurus/related (accessed September 27, 2026).
HarvardSmart Define 2015, natural environment thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/natural_environment/thesaurus/related>.
MLASmart Define. "natural environment thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/natural_environment/thesaurus/related>