Subject
Commercial sector
6
Energy
6
Industry
4
Residential sector
4
Statistics
4
Transportation
4
Coal
3
Electricity
3
Energy consumption
3
Petroleum
3
Prices
3
Agriculture
2
Air
2
Education
2
Fisheries
2
Forests
2
Manufacturing
2
Mining
2
Recreation
2
Rural areas
2
Sustainable development
2
Tourism
2
Urban planning
2
Water
2
Wilderness areas
2
Wildlife
2
Electric power
1
Emmissions
1
Land management
1