Earth & Environmental Sciences
carbon emission
59%
greenhouse gas emissions
53%
byproduct
51%
farm
50%
farming system
43%
climate change
35%
carbon
33%
mitigation measure
21%
breeding
19%
emission reduction
19%
inhibitor
18%
nitrification
18%
fertilizer
17%
grassland
16%
digester
16%
effect
14%
alternative energy
13%
beef cattle
10%
protein
10%
climate
10%
analysis
9%
material flow
8%
carbon footprint
8%
energy flow
8%
modeling
8%
bioenergy
8%
accounting
8%
cattle
7%
livestock
7%
alcohol
7%
land use change
6%
electricity
6%
life cycle
6%
crop
5%
animal
5%
Agriculture & Biology
beef
53%
case studies
51%
climate change
50%
farms
39%
carbon
39%
farming systems
24%
grassland management
21%
nitrification inhibitors
20%
carbon footprint
20%
age at slaughter
20%
beef production
19%
calving
14%
exercise
14%
slaughter
13%
climate
11%
fertilizers
11%
breeding
9%
Engineering & Materials Science
Distilleries
100%
Byproducts
62%
Gas emissions
61%
Greenhouse gases
60%
Proteins
13%
Renewable energy resources
12%
Beef
11%
Carbon footprint
9%
Land use
9%
Crops
8%
Alcohols
8%
Feedstocks
7%
Animals
7%
Life cycle
6%
Electricity
5%