Earth & Environmental Sciences
urban sanitation
100%
urban agriculture
83%
soil improvement
79%
organic waste
66%
sanitation
64%
composting
63%
compost
62%
food waste
59%
city
54%
recycling
47%
nutrient
39%
food
38%
resource
33%
household
29%
evaluation
28%
legislation
28%
stakeholder
27%
policy
22%
project
21%
transition
20%
urban policy
16%
municipality
15%
circular economy
15%
recommendation
15%
sustainability
15%
autonomy
15%
agronomy
14%
literature review
12%
health and safety
11%
profitability
11%
quality assurance
11%
environmental burden
10%
waste management system
10%
food production
10%
book
10%
biomass
10%
dry matter
10%
waste recycling
10%
domestic waste
9%
responsibility
9%
cattle
8%
directive
8%
fertilizer
8%
wastewater treatment
8%
citizen
8%
slurry
8%
aeration
8%
pathogen
8%
solid waste
8%
economy
7%
wastewater
6%
demand
6%
urban area
6%
moisture
6%
need
6%
heavy metal
6%
reactor
5%
energy
5%
plan
5%
public
5%
nitrogen
5%
Business & Economics
Circularity
72%
Food Systems
58%
Leverage
46%
Governance
43%
Systemic Change
33%
Social Dimension
26%
Systems Approach
24%
Institutional Change
15%
Value Change
15%
Circular Economy
13%
Economic Growth
12%
Prosperity
12%
Metropolitan Areas
11%
Targeting
10%
Inclusion
9%
Methodology
6%
Agriculture & Biology
Elephantidae
72%
animal manures
57%
fertilizers
46%
dairy cows
32%
soil
30%
mineralization
22%
Netherlands
14%
humification
10%
carbon
9%
zoos
8%
carbon nitrogen ratio
7%
total nitrogen
7%
soil organic matter
7%