Earth & Environmental Sciences
analysis
14%
Asia
10%
budget
10%
consumption
11%
corruption
11%
economic development
31%
economic growth
23%
economics
39%
economy
31%
energy
14%
energy consumption
28%
energy intensity
15%
energy market
10%
energy resource
26%
environmental damage
16%
Europe
10%
federal authority
11%
forecast
29%
gas
62%
gas company
16%
gas industry
32%
hydrocarbon
26%
hydrocarbon resource
34%
indicator
19%
industry
21%
innovation
19%
lithofacies
14%
market
16%
mineral resource
16%
natural resource
19%
oil
95%
oil industry
60%
oil production
51%
petroleum
40%
price
22%
price dynamics
12%
profit
11%
public-private partnership
38%
regional structure
27%
renewable energy source
25%
resource
65%
resource development
12%
road transport
13%
socioeconomics
18%
subsoil
15%
sustainable development
37%
sustainable growth
14%
tax
26%
trend
22%
world
12%
Engineering & Materials Science
Asset management
8%
Carbon
8%
Coal
7%
Coal mines
7%
Costs
8%
Crude oil
11%
Data structures
7%
Developing countries
7%
Economic and social effects
9%
Economics
100%
Elasticity
6%
Energy efficiency
8%
Energy policy
26%
Energy resources
37%
Energy utilization
39%
Factor analysis
9%
Gas emissions
14%
Gas industry
32%
Gas supply
7%
Gases
38%
Gasification
7%
Gold
13%
Gold mines
10%
Greenhouse gases
14%
Helium
7%
Hydrocarbons
35%
Industry
36%
Intercellular Signaling Peptides and Proteins
14%
International trade
6%
Land reclamation
5%
Liquefied natural gas
11%
Macros
10%
Minerals
6%
Municipal solid waste
9%
Natural gas
11%
Natural resources
8%
Oils
82%
Petroleum industry
44%
Petroleum products
10%
Profitability
12%
Recovery
7%
Remediation
8%
Renewable energy resources
43%
Sales
9%
Soil pollution
6%
Sustainable development
67%
Taxation
50%
Uncertainty
5%
Waste disposal
8%
Water resources
7%
