Earth & Environmental Sciences
carbon
100%
energy
86%
electricity
85%
carbon footprint
83%
life cycle
56%
hot water
52%
policy
49%
energy supply
47%
appraisal
46%
parliament
43%
conventional energy
34%
economics
32%
refugee
32%
savings
31%
program
29%
tariff
29%
architectural design
29%
energy policy
29%
energy resource
29%
fossil fuel
28%
energy efficiency
28%
agricultural waste
28%
carbon emission
28%
industry
27%
electricity generation
26%
household
25%
energy use
24%
shelter
24%
biofuel
24%
literature review
23%
anaerobic digestion
23%
environmental issue
23%
incentive
22%
alternative energy
22%
carbon dioxide
22%
environmental performance
21%
local authority
20%
transition
20%
environmental policy
19%
alga
19%
analysis
19%
decision
18%
environmental impact
18%
thermodynamics
17%
heat pump
17%
market
16%
climate change
16%
gas
16%
measuring
15%
electricity supply
15%
Engineering & Materials Science
Carbon
71%
Electricity
58%
Life cycle
54%
Thermodynamics
39%
Energy resources
34%
Wind turbines
33%
Environmental impact
33%
Water
31%
Turbines
27%
Hot Temperature
24%
Economics
16%
Fossil fuels
16%
Exergy
14%
Cost benefit analysis
14%
Aluminum
12%
Distributed power generation
11%
Gas emissions
10%
Greenhouse gases
10%
Energy security
10%
Space heating
9%
Energy policy
9%
Boilers
8%
Energy utilization
8%
Costs
6%
Open access
6%
Industry
6%
Heating
5%
Tile
5%
