conservancy

the careful maintaining and protection of something valuable especially in its natural or original state she's devoted her life to conservancy of the rain forest Synonyms conservation, preservation, sustentationRelated Words care, maintenance, upkeep; salvation, saving; defense, guardianship, guarding, keeping, protection, safeguarding, safekeeping; economy, husbandry, managementNear Antonyms dereliction, ignoring, neglect, squandering, waste; destruction, ruin; damage, harm, hurt, injury