Subject
Environmental aspects
16
Emissions
14
Mining
13
Acid mine drainage
11
Integrated Resource management
11
Coal
10
Mineral industry
10
Reclamation
10
Ecosystems
9
Environment
9
Sustainable development
9
Tailings
9
Conservation
8
Environmental impacts
8
Environmental protection
8
Forest management
8
Natural resources
8
Endangered species
7
Management
7
Sulfides
7
Ash
6
Beneficiation
6
Climate change
6
Concrete
6
Greenhouse gases
6
Industrial minerals
6
Methane
6
Sustainability
6
Testing
6
Waste disposal
6
Wetlands
6
Coal Mines
5
Combustion
5
Global warming
5
Government policy
5
Land use
5
Policy
5
Pollution
5
Air quality
4
Clean coal
4
Coal mining
4
Feasibility studies
4
Government plan
4
Longwall mining
4
Mines
4
Planting
4
Silviculture
4
Sulfur
4
Sulfur dioxide
4
Symposia
4
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