-
121.
Waste recycling
Subjects
Refuse and refuse disposal
-
122.
Water conservation
Subjects
Conservation of natural resource
-
123.
Water pollution
Subjects
PollutionPublic health
-
124.
Water purification
Subjects
Water quality management
-
125.
Water quality
Subjects
Environmental quality
-
126.
Water quality management
Subjects
Water-supplyAdministrationWater conservation
-
127.
Water reuse
Subjects
Water-supplyRecovery of waste productsWater quality managementPurification of sewage
-
128.
Wetland conservation
Subjects
Nature conservation
-
129.
Wildlife conservation
Subjects
Conservation of natural resourceNature conservationEconomic zoology
-
130.
Wildlife management
Subjects
Management of natural resources
-
131.
Work environment
Subjects
Environmental engineeringHuman engineeringQuality of work lifeLabor
Last updated dated: 01/12/2024