environmental aspects
(
23
)
canada
(
15
)
pollution
(
14
)
energy conservation
(
12
)
hydroelectric power plants
(
12
)
water-supply
(
12
)
power resources
(
11
)
mathematical models
(
9
)
water
(
9
)
air
(
8
)
electric power production
(
7
)
energy policy
(
7
)
geothermal resources
(
7
)
marine
(
7
)
dredging
(
6
)
energy development
(
6
)
environmental impact analysis
(
6
)
freshwater
(
6
)
hazardous waste sites
(
6
)
hydrology
(
6
)
ice on rivers, lakes, etc
(
6
)
sea ice
(
6
)
thermal pollution of rivers, lakes, etc
(
6
)
énergie géothermique
(
6
)
anw
(
5
)
economic aspects
(
5
)
energy consumption
(
5
)
engineering
(
5
)
great lakes
(
5
)
planning
(
5
)