Earth & Environmental Sciences
bioenergy
100%
hydrogen
54%
energy
49%
electricity generation
47%
crop
43%
ecosystem service
42%
carbon sequestration
40%
land use
38%
twenty first century
33%
electric vehicle
30%
train
30%
marginal land
29%
vehicle
26%
bus
26%
transition
25%
carbon
25%
energy production
25%
electricity
24%
nitrogen
24%
travel demand
24%
land
24%
cover crop
23%
circular economy
22%
policy
22%
automobile
21%
wind farm
20%
cost
20%
production cost
20%
climate change mitigation
19%
sheep
19%
biomass
18%
conceptual framework
18%
natural capital
17%
municipal solid waste
17%
pasture
17%
travel
16%
income
15%
leaching
15%
land surface
15%
greenhouse gas
15%
farm
14%
economics
13%
society
13%
energy supply
13%
productivity
13%
soil
13%
loss
12%
nitrous oxide
12%
fertilizer
12%
climate
12%
food
12%
prediction
11%
public transport
11%
ecotype
11%
infrastructure
11%
anaerobic digestion
11%
soil carbon
11%
planting
11%
ecosystem
10%
waste legislation
9%
genotype
9%
agriculture
9%
agricultural land
9%
biomass energy
9%
alternative energy
8%
cropping practice
8%
waste composition
8%
land use change
8%
organic fertiliser
7%
silage
7%
energy type
6%
grazing
6%
student
6%
tropics
6%
climate regulation
6%
power generation
6%
environmental risk
6%
environmental policy
5%
wind power
5%
landowner
5%
biogas
5%
electrical power
5%
resource use
5%
forestry
5%
emission factor
5%
health risk
5%
simulation
5%
nuclear fuel
5%
Engineering & Materials Science
Land use
77%
Electricity
64%
Hydrogen
61%
Crops
58%
Carbon
57%
Carbon capture
54%
Ecosystems
51%
Electric vehicles
46%
Soils
44%
Biomass
35%
Rails
29%
Onshore wind farms
29%
Decarbonization
24%
Wind power
24%
Climate change
24%
Feedstocks
22%
Farms
22%
Energy policy
21%
Economics
20%
Nuclear energy
18%
Uncertainty
16%
Nitrogen
16%
Battery electric vehicles
14%
Costs
13%
Life cycle
12%
Internal combustion engines
11%
Carbon dioxide
11%
Drought
10%
Tropics
10%
Renewable energy resources
10%
Forestry
7%
Oxides
7%
Students
7%
Global warming
6%
Environmental impact
6%
Fossil fuels
6%
Gas emissions
6%
Nuclear fuels
5%
Agriculture & Biology
bioenergy
83%
Miscanthus
75%
Miscanthus giganteus
57%
Panicum virgatum
42%
carbon
36%
energy crops
33%
land use
29%
yield mapping
27%
ecosystem services
27%
electricity generation
26%
uncertainty
25%
crop models
24%
Jatropha
22%
new crops
22%
feedstocks
20%
greenhouse gases
20%
production economics
19%
cover crops
19%
growth models
19%
climate
17%
leaching
17%
energy
16%
production costs
16%
climate change
14%
China
14%
soil sequences
13%
ecosystems
13%
soil carbon
13%
crops
12%
farms
11%
agricultural land
11%
land use change
10%
ecotypes
10%
nitrogen
10%
short rotation forestry
9%
lowlands
9%
planting
9%
highlands
8%
tropics
8%
biomass
7%
soil
7%
England
6%
nitrous oxide
6%
genotype
5%
global warming
5%
economics
5%