Earth & Environmental Sciences
life cycle
84%
environmental impact
50%
environmental analysis
26%
fossil fuel
24%
energy
24%
economic cycle
21%
economic analysis
19%
environmental assessment
18%
waste treatment
18%
policy analysis
17%
circular economy
17%
life cycle analysis
17%
climate change
17%
energy balance
17%
livestock farming
17%
acidification
16%
agricultural waste
16%
energy storage
16%
uncertainty analysis
16%
municipal waste
15%
solid waste
15%
eutrophication
15%
resource use
15%
fossil
14%
energy demand
14%
biochar
14%
wastewater treatment
14%
resource scarcity
13%
biomass
13%
greenhouse gas emissions
13%
household
13%
ethanol
13%
alternative energy
12%
energetics
12%
waste management
12%
global warming
11%
household income
11%
environmental performance
11%
food consumption
11%
ammonia
11%
biofuel
10%
landfill gas
10%
demand
10%
photochemical oxidant
10%
steel
10%
heating
9%
particulate matter
9%
energy recovery
9%
material
9%
methodology
8%
Engineering & Materials Science
Life cycle
100%
Environmental impact
46%
Eutrophication
33%
Bioethanol
28%
Climate change
26%
Energy balance
20%
Wastewater treatment
20%
Waste management
20%
Waste treatment
19%
Ionic liquids
19%
Agricultural wastes
18%
Acidification
18%
Sediments
16%
Biofilters
16%
Solid wastes
16%
Leaching
16%
Recovery
16%
Ores
15%
Latent heat
15%
Phase change materials
15%
Land fill
14%
Ethanol
13%
Wastewater
13%
Thermal energy
13%
Urea
12%
Acids
12%
Economics
12%
Gas emissions
12%
Greenhouse gases
12%
Global warming
11%
Copper
11%
Soils
10%
Carbon
10%
Heating
9%
Biomass
9%
Fossil fuels
9%
Natural gas
9%
Forestry
9%
Oxidants
8%
Toxicity
8%
Biofuels
7%
Software design
7%
Brines
6%
Gasoline
6%
Electricity
6%
Calcium chloride
5%
Heavy metals
5%
Agriculture & Biology
Chile
29%
uncertainty analysis
22%
life cycle assessment
20%
vinasse
19%
environmental performance
18%
Vaccinium corymbosum
18%
industrial wastes
16%
blueberries
15%
bioethanol
15%
livestock production
15%
environmental impact
14%
ethanol production
13%
apple pomace
13%
orchards
12%
ammonia
11%
apples
11%
screening
9%
wheat
8%
purity
8%
organic production
8%
soil management
8%
livestock
7%
production technology
6%
eutrophication
6%
ammonium nitrogen
5%
acidification
5%
distillation
5%
organic compounds
5%