Engineering & Materials Science
Methanation
100%
Sustainable development
75%
Land fill
68%
District heating
55%
Biomass
48%
Dynamical systems
47%
Biogas
46%
Greenhouse gases
46%
Gas emissions
42%
Agriculture
41%
Municipal solid waste
40%
Economics
34%
Carbon
34%
Catalysts
30%
Biotechnology
28%
Waste management
27%
Gases
26%
Methane
26%
Bioeconomy
25%
Mathematical models
24%
Metabolic engineering
24%
European Union
21%
Benchmarking
21%
Gasification
20%
Fatty acids
19%
Ecodesign
19%
Solid wastes
18%
Fermentation
18%
Decision theory
18%
Platinum
18%
Electrolysis
17%
Particle size analysis
17%
Ores
17%
Environmental impact
17%
Waste heat
17%
Industry
16%
Climate change
15%
Recycling
15%
Tires
15%
Chemical analysis
14%
Hydrogen
14%
Recovery
13%
Packaging
13%
Life cycle
13%
Electric power systems
13%
Hydraulics
11%
Purification
11%
Global warming
11%
Students
11%
Wind power
10%
Earth & Environmental Sciences
district heating
68%
circular economy
60%
packaging waste
49%
landfill
49%
packaging
49%
biogas
43%
waste management
36%
energy
35%
energy production
31%
recycling
30%
sustainability
30%
modeling
30%
food waste
29%
policy
28%
environmental impact
28%
greenhouse gas emissions
27%
alternative energy
26%
city
26%
European Union
25%
waste management system
25%
energy efficiency
25%
valorization
24%
social theory
24%
material
23%
energy resource
22%
refuse derived fuel
22%
heat pump
21%
economics
21%
agriculture
21%
market economy
21%
consumption
20%
product
20%
container
20%
agricultural policy
20%
waste heat
19%
analytical framework
19%
municipality
19%
food
18%
holistic approach
18%
platinum group element
18%
energy supply
18%
energy source
17%
power plant
17%
environmental science
17%
electricity
17%
low carbon economy
17%
development strategy
17%
socioeconomics
16%
energy demand
16%
cost
16%