Agriculture & Biology
recycled materials
100%
construction industry
49%
shingles (roofing)
19%
waste utilization
13%
citrus peels
13%
pavements
12%
fly ash
12%
bitumen
12%
air pollutants
11%
landfills
11%
solid wastes
11%
kilns
11%
slags
11%
animal fats and oils
11%
greenhouse gases
10%
tires
10%
pig manure
10%
natural resources
10%
new products
10%
cement
9%
dust
9%
silica
9%
pollutants
8%
recycling
8%
questionnaires
8%
glass
7%
sand
7%
raw materials
7%
plastics
7%
energy
5%
fruits
5%
water
3%
methodology
2%
Earth & Environmental Sciences
recycled material
83%
construction industry
38%
material
26%
scrap tire
12%
waste air
12%
shingle
11%
water pollutant
10%
fume
9%
questionnaire survey
9%
asphalt
9%
pavement
8%
fat
8%
fruit
8%
targeting
8%
waste water
7%
manure
7%
slag
7%
air pollutant
7%
solid waste
7%
fly ash
7%
landfill
7%
greenhouse gas
6%
natural resource
6%
raw material
6%
silica
6%
recycling
6%
cement (construction material)
6%
plastic
6%
glass
6%
dust
5%
sand
4%
policy
4%
cost
4%
energy
3%
product
3%
method
1%
Chemical Compounds
Industry
47%
Construction Material
43%
Foundry
22%
Kilns
22%
Water Pollutant
22%
Air Pollutant
21%
Greenhouse Gas
21%
Fume
20%
Application
20%
Solid Waste
19%
Dust
17%
Slag
16%
Fat
16%
Recycling
14%
Raw Material
13%
Toxic
12%
Glass
11%
Strength
10%
Energy
7%
Engineering & Materials Science
Construction industry
33%
Citrus fruits
15%
Foundry sand
11%
Manures
11%
Silica fume
10%
Concrete aggregates
9%
Solid wastes
9%
Kilns
9%
Land fill
9%
Asphalt concrete
9%
Natural resources
9%
Oils and fats
9%
Asphalt pavements
9%
Fly ash
8%
Dust
8%
Greenhouse gases
8%
Recycling
7%
Slags
7%
Tires
7%
Animals
7%
Raw materials
7%
Cements
6%
Glass
6%
Plastics
5%
Air
4%
Water
4%
Costs
3%