Benefits humans derive from functioning ecosystems. Provisioning (food, water), regulating (climate, flood), supporting (nutrient cycling), cultural (aesthetic). Costanza 1997 valued global services at $33T/yr.
Benefits humans derive from functioning ecosystems. Provisioning (food, water), regulating (climate, flood), supporting (nutrient cycling), cultural (aesthetic). Costanza 1997 valued global services at $33T/yr.