Subject
Emissions
10
Ecosystems
9
Environmental aspects
9
Conservation
8
Environmental protection
8
Forest management
8
Natural resources
8
Sustainable development
8
Endangered species
7
Environment
7
Climate change
6
Management
6
Sustainability
6
Wetlands
6
Global warming
5
Government policy
5
Greenhouse gases
5
Integrated Resource management
5
Pollution
5
Air quality
4
Environmental impacts
4
Government plan
4
Land use
4
Planting
4
Policy
4
Silviculture
4
Trees
4
Wildlife conservation
4
Ash
3
GOVERNMENT Programs
3
Inventory
3
Mining
3
Sulfur dioxide
3
Wildlife
3
Abandonment
2
Acid mine drainage
2
Acid rain
2
Agriculture
2
Air pollution
2
Biodiversity
2
Birds
2
Climate
2
Electricity
2
Forest fires
2
Forestry
2
GOVERNMENT
2
Greenhouse effect
2
HYDROLOGY
2
Heritage areas
2
Laws
2
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