Earth & Environmental Sciences
yield (agricultural)
100%
crop
48%
food
30%
biofuel production
28%
food availability
26%
crop production
24%
animal
22%
population growth
20%
animal product
16%
demand
14%
world
12%
tax
12%
meat
11%
food security
11%
diet
9%
allocation
9%
consumption
7%
productivity
7%
Medicine & Life Sciences
Biofuels
63%
Food
47%
Crop Production
40%
Population Growth
28%
Food Supply
13%
Meat
12%
Diet
7%
Animals
5%
Social Sciences
food
46%
biofuel
45%
animal
30%
population growth
19%
taxes
8%
productivity
7%
demand
6%
Engineering & Materials Science
Biofuels
37%
Animals
32%
Availability
11%
Meats
11%
Nutrition
10%
Taxation
9%
Feedstocks
8%
Productivity
6%