- environmental color perception
- environmental communication
- environmental compatibility assessment on materials
- environmental compatibility of materials
- environmental comprehensive improvement of Jiaozhou Bay
- environmental computable general equilibrium model
- environmental concern
- environmental conditions monitoring
- environmental consciousness
- environmental constraint
- environmental construction
- environmental construction drawing design
- environmental constructivism
- environmental control and life support system
- environmental control for poultry house
- environmental control of animal husbandry in facilities
- environmental control of swine building
- environmental corrosion
- environmental cost
- Environmental cost-benefit analysis
- environmental costs of aquaculture
- environmental crime
- environmental criminology
- environmental criteria
- environmental damage