Earth & Environmental Sciences
gas industry
100%
oil industry
94%
human activity
68%
fossil fuel
60%
Gross Domestic Product
46%
energy
43%
carbon sequestration
41%
energy consumption
39%
carbon
37%
carbon dioxide
35%
storage structure
33%
gas company
30%
global economy
29%
industry
26%
energy technology
25%
bioenergy
24%
decoupling
24%
quality of life
24%
shelter
23%
energy production
22%
energy resource
22%
gas production
22%
oil production
22%
citizen
21%
twenty first century
20%
greenhouse gas emissions
19%
global climate
19%
society
17%
infrastructure
16%
safety
15%
hydrocarbon
15%
health
15%
food
15%
well
14%
engineering
14%
atmosphere
13%
oil
12%
resource
12%
climate
11%
removal
11%
temperature
8%
rate
7%
Engineering & Materials Science
Gas industry
97%
Petroleum industry
90%
Fossil fuels
52%
Carbon
40%
Industry
38%
Descaling
26%
Energy utilization
24%
Oils
22%
Gases
20%
Gas emissions
18%
Energy resources
17%
Greenhouse gases
17%
Hydrocarbons
15%
Pipelines
13%
Health
12%
Temperature
7%
Chemical Compounds
Industry
65%
Gas
46%
Fossil Fuel
44%
Energy
41%
GDP
32%
Carbon Atom
29%
Energy Consumption
27%
Carbon Dioxide
19%
Pipeline
14%
Spreading
13%
Safety
10%
Food
9%
Hydrocarbon
9%
Volume
7%
Amount
5%