Engineering & Materials Science
System of systems
100%
Carbon
63%
Aviation
53%
Biofuels
51%
Life cycle
40%
Aircraft
39%
Uncertainty
37%
Toxic materials
31%
Environmental impact
30%
Sustainable development
29%
Supply chains
26%
Dynamical systems
20%
Minerals
20%
Lithium
18%
Ions
15%
Gas emissions
15%
Drought
15%
Greenhouse gases
15%
Economics
15%
Water
14%
Aircraft fuels
13%
Adaptive cruise control
13%
Advanced driver assistance systems
13%
Conservation
13%
Availability
12%
Decision making
12%
Lakes
11%
Nanotechnology
11%
Electric vehicles
11%
Water resources
11%
Agriculture
11%
Industry
11%
Computer simulation
11%
Risk management
10%
Sensitivity analysis
10%
Climate change
10%
Brownian movement
10%
Costs
10%
Alternative fuels
10%
Medical nanotechnology
10%
Nanoparticles
9%
Air
9%
Civil aviation
9%
Airports
9%
Disasters
9%
Reaction kinetics
9%
Algae
9%
Managers
8%
Resource allocation
8%
Jet fuel
8%
Earth & Environmental Sciences
policy
56%
carbon emission
42%
mineral extraction
42%
electric vehicle
41%
Sustainable Development Goal
38%
lithium
35%
sustainability
27%
East Africa
22%
stakeholder
22%
life cycle
21%
household
17%
greenhouse gas emissions
17%
artifact
17%
drought
16%
carbon
15%
decision making
15%
emissions trading scheme
14%
policy approach
14%
mineral
14%
environmental degradation
13%
income
13%
demand
13%
alternative fuel
12%
glacial lake
12%
policy development
12%
aircraft
12%
economic growth
12%
environmental impact
11%
disaster risk
11%
livelihood
11%
price
11%
outburst
11%
carbon storage
10%
data mining
10%
economics
10%
biofuel
10%
agricultural practice
10%
food
10%
learning
9%
risk management
9%
corporate social responsibility
9%
water availability
9%
automobile
9%
transition
9%
ecosystem service
9%
infrastructure
8%
indirect greenhouse gas emissions
8%
methodology
8%
direct greenhouse gas emissions
8%
modeling
8%
Social Sciences
electric vehicle
48%
sustainability
38%
uncertainty
33%
transdisciplinary
33%
sustainable development
26%
policy approach
23%
life cycle
22%
driver
22%
energy
21%
road
21%
water
21%
food
18%
conservation
18%
life cycle assessment
17%
resources
14%
scenario
14%
stakeholder
14%
Water resources
13%
climate change
12%
drought
12%
Chile
12%
farmer
11%
East Africa
11%
road traffic
11%
Indonesia
11%
Nepal
11%
governance
10%
interaction
10%
social actor
10%
risk management
10%
air traffic
10%
recession
10%
livelihood
9%
natural disaster
9%
unexpected cost
9%
gross domestic product
9%
economic growth
8%
disaster
8%
agriculture
8%
social media
8%
corporate social responsibility
7%
learning process
7%
news
7%
engineering science
7%
time experience
7%
manager
7%
justice
7%
economics
7%
infrastructure
7%
income
6%