Engineering
Bioenergy
100%
Croppings
36%
Fossil Fuel
27%
Environmental Benefit
18%
Land Use
18%
Infrastructure
18%
Social Benefit
18%
Energy Engineering
9%
Economic Benefit
9%
Sustainable Development
9%
Energy Development
9%
Sustainable Production
9%
Negative Effect
9%
Ten Year
9%
Climate Change
9%
Sustainable Practice
9%
Climatic Change
9%
Greenhouse Gas
9%
Biofuel
9%
Earth and Planetary Sciences
Bioenergy
100%
Fossil Fuel
27%
Food Security
18%
Cultivation
18%
Land Use Change
9%
Greenhouse Gas Emission
9%
Environmental Problem
9%
United Nations Framework Convention on Climate Change
9%
Crop Plant
9%
United Nations
9%
Global Climate Change
9%
Food Production
9%
Food Market
9%
Global Environmental Change
9%
Agricultural Management
9%
Emission Target
9%
Environmental Impact Assessment
9%
Biofuel
9%
Land Use
9%
Agricultural and Biological Sciences
Bioenergy
100%
Fossil Fuel
27%
Issues and Policy
18%
Cropping System
18%
Agricultural Management
9%
Food Crop
9%
Watersheds
9%
Land Use Change
9%
Climate Change
9%
Best Management Practice
9%
Social Benefit
9%
Double Cropping
9%
Biomass Production
9%
Biofuel
9%
Greenhouse Gas
9%
Land Use
9%
Food Science
Food Security
100%
Food Market
50%