Subject
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Coal Mines
5
Conservation
5
Ecosystems
5
Harvesting
5
Power plants
5
Tidal power plants
5
Bioenergy
4
Coal mining
4
Monitoring
4
Offshore drilling
4
Oil spills
4
Production
4
Risk assessment
4
Tides
4
Beneficiation
3
Carbon dioxide
3
Clearcutting
3
Construction
3
Electricity
3
Energy source development
3
Environmental impact
3
Environmental management
3
Fenitrothion
3
Forest ecology
3
Forestry
3
Fuels
3
Greenhouse gas mitigation
3
Gypsum deposits
3
Hydroelectric power
3
Insecticides
3
Manuals
3
Mineral exploration
3
Petroleum exploration
3
Petroleum industry
3
Pollution control
3
Research and development
3
Resource management
3
Salt
3
Silviculture
3
Statistics
3
Sulfides
3
Technology
3
Thermochemical processes
3
Turbines
3
Utilization
3
Waste management
3
Water quality
3
Wood fuels
3
Abandoned Mines
2
Accidents
2
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