Physics & Astronomy
waste management
100%
landfills
94%
solid wastes
91%
sludge
67%
coffee
46%
recycling
38%
ashes
37%
composting
36%
disposal
35%
cements
34%
compressive strength
34%
products
32%
materials recovery
29%
bioconversion
29%
geographic information systems
28%
Indonesia
28%
industries
26%
rice
26%
leather
24%
vegetables
22%
charcoal
22%
plastics
22%
saccharomyces
21%
foundries
20%
tires
19%
economy
19%
moisture content
19%
polyethylene terephthalate
17%
sands
16%
leaves
16%
planning
15%
fermentation
15%
resources
15%
bricks
15%
methane
14%
oils
14%
reactors
13%
substitutes
12%
material balance
11%
classifying
11%
ethyl alcohol
11%
sampling
11%
streets
10%
gases
10%
management methods
9%
learning
8%
liquids
8%
containers
8%
sodium sulfates
8%
glass
8%
Earth & Environmental Sciences
waste management
60%
solid waste
54%
landfill
49%
coffee
38%
organic waste
29%
city
28%
raw material
28%
plastic waste
25%
cement (construction material)
24%
product
24%
domestic waste water
24%
compost
24%
industrial sludge
23%
vegetable waste
23%
environmental technology
21%
composting
21%
waste glass
20%
circular economy
20%
Sustainable Development Goal
19%
industry
19%
compressive strength
18%
environmental science
18%
tire
18%
material
16%
science and technology
16%
poverty
16%
cracking (fracture)
15%
gas production
15%
oil production
15%
municipal solid waste
15%
hospital
15%
ash
14%
brick
14%
recycling
14%
reactor
14%
fungus
13%
geographic information system
13%
village
13%
market
12%
replacement
12%
ethanol
12%
shell
12%
fermentation
12%
methane
12%
sludge
11%
phosphorus
11%
test
11%
liquid
11%
sorting
10%
plan
10%