Engineering & Materials Science
System of systems
100%
Carbon
74%
Aviation
59%
Environmental impact
53%
Aircraft
53%
Biofuels
51%
Life cycle
41%
Uncertainty
37%
Toxic materials
31%
Sustainable development
30%
Minerals
30%
Lithium
29%
Supply chains
26%
Conservation
22%
Climate change
21%
Dynamical systems
20%
Economics
20%
Water
18%
Gas emissions
16%
Greenhouse gases
16%
Ions
15%
Air
15%
Drought
15%
Water resources
14%
Aircraft fuels
13%
Electric vehicles
13%
Adaptive cruise control
13%
Advanced driver assistance systems
13%
Availability
12%
Decision making
12%
Lakes
11%
Computer simulation
11%
Nanotechnology
11%
Agriculture
11%
Industry
11%
Risk management
10%
Costs
10%
Sensitivity analysis
10%
Brownian movement
10%
Feedback
10%
Alternative fuels
10%
Medical nanotechnology
10%
Experiments
10%
Nanoparticles
9%
Civil aviation
9%
Airports
9%
Disasters
9%
Energy resources
9%
Reaction kinetics
9%
Algae
9%
Earth & Environmental Sciences
policy
57%
mineral extraction
57%
carbon emission
46%
lithium
46%
electric vehicle
44%
Sustainable Development Goal
38%
sustainability
28%
household
26%
life cycle
22%
East Africa
22%
stakeholder
22%
environmental impact
21%
greenhouse gas emissions
19%
food
17%
artifact
17%
drought
16%
carbon
15%
decision making
15%
demand
14%
emissions trading scheme
14%
policy approach
14%
mineral
14%
environmental degradation
13%
food consumption
13%
income
13%
alternative fuel
12%
glacial lake
12%
policy development
12%
aircraft
12%
economic growth
12%
disaster risk
11%
livelihood
11%
fume
11%
price
11%
water consumption
11%
outburst
11%
smoking
11%
meta-analysis
11%
welding
11%
carbon storage
10%
data mining
10%
economics
10%
biofuel
10%
agricultural practice
10%
risk factor
10%
learning
9%
transition
9%
energy consumption
9%
risk management
9%
water resource
9%
Social Sciences
electric vehicle
53%
sustainability
39%
uncertainty
33%
transdisciplinary
33%
sustainable development
26%
life cycle
24%
policy approach
23%
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%
environmental impact
12%
drought
12%
Chile
12%
Indonesia
12%
farmer
11%
East Africa
11%
road traffic
11%
Nepal
11%
governance
10%
interaction
10%
social actor
10%
risk management
10%
air traffic
10%
recession
10%
smoking
9%
livelihood
9%
natural disaster
9%
unexpected cost
9%
gross domestic product
9%
economic growth
8%
habits
8%
disaster
8%
agriculture
8%
demand
8%
social media
8%
corporate social responsibility
7%
learning process
7%
news
7%
public health
7%
engineering science
7%
time experience
7%
