Business & Economics
Nitrogen Fertilizer
89%
Energy Balance
79%
Ammonia
77%
Wind Power
70%
Greenhouse Gases
62%
Energy
25%
Life Cycle Assessment
14%
Rural Communities
12%
Fertilizer
12%
Fossil Fuels
11%
Greenhouse Gas Emissions
11%
Renewable Energy
10%
Demand and Supply
10%
Environmental Performance
10%
Substitute
9%
Resources
6%
Earth & Environmental Sciences
wind power
63%
energy balance
52%
greenhouse gas
47%
fertilizer
47%
ammonia
43%
nitrogen
32%
energy
26%
fossil
24%
production system
23%
environmental performance
12%
supply and demand
12%
alternative energy
10%
fossil fuel
10%
greenhouse gas emissions
9%
life cycle
8%
resource
6%
Engineering & Materials Science
Nitrogen fertilizers
100%
Ammonia
58%
Energy balance
57%
Greenhouse gases
55%
Fertilizers
14%
Gas emissions
11%
Fossil fuels
10%
Life cycle
9%
Renewable energy resources
8%