Earth & Environmental Sciences
life cycle
83%
environmental impact
54%
energy
27%
environmental assessment
21%
fossil fuel
20%
waste treatment
20%
policy analysis
20%
environmental analysis
20%
circular economy
19%
climate change
19%
energy balance
19%
livestock farming
19%
acidification
19%
agricultural waste
18%
energy storage
18%
uncertainty analysis
18%
economic analysis
17%
municipal waste
17%
solid waste
17%
eutrophication
17%
resource use
17%
fossil
16%
energy demand
16%
biochar
16%
wastewater treatment
16%
resource scarcity
15%
household
14%
ethanol
14%
alternative energy
14%
energetics
14%
waste management
14%
global warming
13%
household income
12%
food consumption
12%
biomass
12%
ammonia
12%
landfill gas
12%
demand
12%
photochemical oxidant
11%
greenhouse gas emissions
11%
steel
11%
heating
11%
particulate matter
11%
energy recovery
10%
material
10%
methodology
10%
environmental impact of households
9%
livestock
9%
software
9%
forestry
8%
Engineering & Materials Science
Life cycle
100%
Environmental impact
51%
Eutrophication
38%
Climate change
30%
Energy balance
23%
Wastewater treatment
22%
Waste management
22%
Waste treatment
22%
Ionic liquids
21%
Agricultural wastes
21%
Acidification
21%
Sediments
19%
Biofilters
19%
Solid wastes
19%
Leaching
18%
Recovery
18%
Ores
17%
Latent heat
17%
Phase change materials
17%
Land fill
16%
Ethanol
15%
Wastewater
15%
Thermal energy
15%
Urea
14%
Acids
14%
Global warming
13%
Copper
12%
Soils
12%
Carbon
12%
Gas emissions
12%
Greenhouse gases
11%
Heating
11%
Bioethanol
10%
Natural gas
10%
Forestry
10%
Oxidants
10%
Toxicity
9%
Biomass
9%
Software design
8%
Brines
7%
Gasoline
7%
Fossil fuels
6%
Electricity
6%
Calcium chloride
6%
Heavy metals
5%
Sanitation
5%
Sustainable development
5%
Gases
5%
Agriculture & Biology
Chile
33%
uncertainty analysis
25%
life cycle assessment
23%
vinasse
22%
environmental performance
21%
Vaccinium corymbosum
20%
industrial wastes
19%
blueberries
18%
bioethanol
17%
livestock production
17%
environmental impact
16%
ethanol production
15%
apple pomace
14%
orchards
13%
ammonia
13%
apples
12%
screening
11%
wheat
10%
purity
9%
organic production
9%
soil management
9%
livestock
8%
production technology
7%
eutrophication
7%
ammonium nitrogen
6%
acidification
6%
distillation
5%
organic compounds
5%
censuses
5%
forestry
5%
uncertainty
5%