Topics
Environmental aspects
Hydroelectric power plants
45
Dams
42
Effect of dams on
29
Moose
17
Habitat
8
Animals
6
Power utilization
6
Access roads
5
Browse (Animal food)
5
Highway planning
5
Planning
5
Plants
5
Transportation
5
Wildlife resources
5
Fishery resources
4
Fur-bearing animals
4
Mammals
4
Railroad tracks
4
Air quality
3
Big game animals
3
Design and construction
3
Fishes
3
Habitat (Ecology)
3
Measurement
3
Modification
3
Particles
3
Archaeological surveying
2
Bald eagle
2
Caribou
2
Conservation
2
Eagles
2
Food
2
Golden eagle
2
Nests
2
Public opinion
2
Research
2
Reservoirs
2
Wildlife conservation
2
Wintering
2
Anadromous fishes
1
Antiquities
1
Aquatic organisms
1
Archaeological geology
1
Birds
1
Clearing of land
1
Climate
1
Conservation of natural resources
1
Ecological assessment (Biology)
1
Environmental conditions
1
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