conservation
US /ˌkɑːn.sɚˈveɪ.ʃən/
UK /ˌkɑːn.sɚˈveɪ.ʃən/

1.
the protection of animals, plants, and natural resources
:
•
Wildlife conservation efforts are crucial for endangered species.
•
She dedicated her life to environmental conservation.
the protection of animals, plants, and natural resources