SUBJECT
Environmental protection
16
Research
16
Environmental aspects
6
Economic aspects
5
Climatic changes
4
Climate and civilization
3
Cost effectiveness
3
Environmental policy
3
Climate
2
Crops and climate
2
Emissions trading
2
Environmental economics
2
Fisheries
2
Flood control
2
Payments for ecosystem services
2
Rice
2
Adaptation
1
Agricultural ecology
1
Agricultural wastes
1
Air pollution
1
Aquatic ecology
1
Artificial reefs
1
Biodegradable plastics
1
Biodiesel fuels
1
Biodiesel fuels industry
1
Biomass energy
1
Burning of land
1
Carbon dioxide mitigation
1
Climatic change
1
Climatic factors
1
Coal-fired power plants
1
Coffee growers
1
Coffee plantations
1
Cost control
1
Dikes (Engineering)
1
Disaster insurance
1
Economic conditions
1
Economic development
1
Economic policy
1
Ecosystem management
1
Emission trading-
1
Energy consumption
1
EnvironmeNtal protection
1
Environmental conditions
1
Environmental impact analysis
1
Environmental management
1
Environmental monitoring
1
Farmer
1
Farmers
1
Fishery policy
1
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