Earth & Environmental Sciences
city
100%
infrastructure
49%
carbon
39%
greenhouse gas emissions
36%
coal tar
35%
nonaqueous phase liquid
32%
footprint
28%
food
25%
household
22%
energy
21%
energy use
20%
electricity
18%
water
16%
world city
16%
urban agriculture
16%
mitigation
16%
greenhouse gas
15%
policy
15%
health
14%
environmental technology
13%
sustainability
13%
carbon emission
13%
built environment
13%
consumption
13%
equity
12%
demand
12%
social equity
12%
urban system
12%
environmental science
12%
material flow
12%
accounting
11%
phytoremediation
11%
science and technology
10%
air quality
10%
mass transfer
10%
municipal solid waste
10%
human health
9%
energy flow
9%
income
9%
action plan
9%
life cycle
9%
energy intensity
9%
MTBE
8%
waste heat
8%
analysis
8%
diet
8%
planning
8%
atmospheric pollution
8%
carbon footprint
8%
methodology
7%
developing world
7%
method
7%
land
7%
travel
7%
biodegradation
7%
naphthalene
7%
aromatic hydrocarbon
7%
heating
7%
sustainable development
7%
metabolism
6%
slurry
6%
bioavailability
6%
hydroponics
6%
modeling
6%
cement (construction material)
6%
environmental impact
6%
rate
6%
agriculture
5%
impact source
5%
particulate matter
5%
degradation
5%
garden
5%
food supply
5%
integrated environmental assessment
5%
residential energy
5%
symbiosis
5%
fly ash
5%
protocol
5%
economics
5%
material
5%
industrial ecology
5%
in situ
5%
institutional development
5%
transportation policy
5%
trace element
5%
groundwater
5%
water footprint
5%
social inequality
5%
industrial waste
5%
wastewater
5%
local government
5%
machine learning
5%
monitoring network
5%
Engineering & Materials Science
Greenhouse gases
30%
Gas emissions
26%
Carbon
21%
Water
21%
Sustainable development
14%
Electricity
13%
Fly ash
12%
Life cycle
11%
Coal tar
11%
Health
9%
Air pollution
9%
Concretes
9%
Municipal solid waste
9%
Heating
8%
Air quality
8%
Biodegradation
8%
Ethers
8%
Groundwater
8%
Agriculture
7%
Wastewater
7%
Infiltration
7%
Metabolism
6%
Economics
6%
Monitoring
6%
Biomass
6%
Cooling
5%
Discoloration
5%
Carbon footprint
5%
Wastewater treatment
5%
Industrial wastes
5%
Transpiration
5%
Trace elements
5%
Soils
5%
Cooking
5%
Arsenic
5%
Liquids
5%
Social Sciences
infrastructure
30%
energy
23%
water
22%
food
15%
India
15%
electricity
9%
China
9%
air pollution
9%
health
9%
sustainability
8%
travel
8%
well-being
8%
happiness
7%
Withdrawal of water
7%
Industrial waste
7%
demand
6%
Wastewater reuse
6%
social equities
6%
agriculture
5%
Wastewater treatment
5%
monitoring
5%
district
5%
equity
5%
urban area
5%
air
5%
