conservation

säilytys, säilyttäminen

luonnonsuojelu, ympäristönsuojelu

häviämättömyys The act of preserve preserving, guarding, or protecting; the keeping (of a thing) in a safe or entire state; preservation.
Wise use of natural resources.
{{quote-book|year=1913|author=w:Robert Barr (writer)|Robert Barr
puhekieltä The discipline concerned with protection of biodiversity, the environment, and natural resources
puhekieltä Genes and associated characteristics of biological organisms that are unchanged by evolution, for example similar or identical nucleic acid sequences or proteins in different species descended from a common ancestor
puhekieltä The protection and care of cultural heritage, including artwork and architecture, as well as historical and archaeological artifacts
puhekieltä lack of change in a measurable property of an isolated physical system (conservation of energy, mass, momentum, electric charge, subatomic particles, and fundamental symmetries)
English conservation