Earth & Environmental Sciences
resource
87%
oil
74%
gas
55%
public-private partnership
54%
sustainable development
49%
oil production
48%
oil industry
47%
regional structure
41%
energy resource
40%
economics
39%
environmental damage
37%
economic development
33%
innovation
31%
natural resource
31%
forecast
29%
economy
29%
petroleum
29%
energy consumption
28%
price
27%
gas industry
27%
economic growth
26%
socioeconomics
26%
hydrocarbon
24%
tax
23%
trend
23%
tailings
23%
industry
22%
gold
21%
indicator
20%
price dynamics
18%
renewable energy source
18%
federal authority
17%
resource development
16%
Asia
16%
energy market
16%
energy policy
15%
recovery plan
15%
competitiveness
15%
refining industry
15%
oil refining
15%
socioeconomic indicator
15%
regional authority
15%
income
14%
gas supply
14%
analysis
14%
oil supply
14%
economic policy
13%
petroleum industry
13%
mining waste
13%
management of natural resources
13%
Engineering & Materials Science
Economics
100%
Sustainable development
95%
Oils
82%
Petroleum industry
53%
Energy resources
52%
Renewable energy resources
44%
Energy utilization
43%
Gas industry
39%
Energy policy
37%
Industry
34%
Hydrocarbons
33%
Gases
32%
Gold
30%
Taxation
27%
Intercellular Signaling Peptides and Proteins
21%
Natural resources
21%
Tailings
20%
Energy efficiency
18%
Macros
18%
Crude oil
17%
Petroleum products
16%
Gold mines
15%
Profitability
13%
Remediation
13%
Asset management
12%
Developing countries
12%
Helium
11%
Coal mines
11%
Recovery
11%
Water resources
11%
Natural gas
10%
Coal
10%
Carbon
10%
Gasification
10%
Costs
10%
Elasticity
9%
Data structures
9%
Soil pollution
9%
International trade
9%
Time series
9%
Uncertainty
8%
Land reclamation
8%
Sales
8%
Gas supply
7%
Water pollution
7%
Carbon dioxide
7%
Opacity
6%
Fossil fuels
6%
Global warming
5%
Transparency
5%