Earth & Environmental Sciences
global trade
100%
global change
67%
alternative energy
63%
biodiversity
49%
energy
33%
biodiversity loss
32%
bioenergy
30%
energy demand
29%
protected area
24%
transport cost
19%
bioenergy production
18%
climate change
16%
production cost
15%
Central America
15%
land
15%
ecosystem process
15%
environmental degradation
15%
solar energy
14%
energy production
14%
power generation
14%
solar wind
13%
targeting
13%
energy source
13%
fossil fuel
12%
harvest
12%
conflict
11%
sustainable development
11%
mitigation
10%
society
10%
damage
8%
services
8%
world
7%
climate
7%
Agriculture & Biology
global change
81%
renewable energy sources
76%
biodiversity
55%
energy
40%
bioenergy
32%
wind power
30%
solar energy
24%
biodiversity conservation
23%
conservation areas
18%
climate change
16%
power generation
13%
Miscanthus giganteus
13%
environmental degradation
12%
fossil fuels
11%
sustainable development
11%
Central America
10%
production costs
9%
climate
7%
ecosystems
7%
Engineering & Materials Science
Biodiversity
98%
Renewable energy resources
54%
Climate change
21%
Conservation
18%
Wind power
16%
Weathering
12%
Potential energy
10%
Ecosystems
10%
Fossil fuels
9%
Solar energy
8%
Sustainable development
8%
Power generation
8%
Costs
3%