Agriculture & Biology
cooking stoves
100%
biogas
61%
ecosystem services
60%
Ethiopia
59%
highlands
51%
greenhouse gas emissions
25%
organic fertilizers
24%
surpluses
24%
households
21%
biofuels
21%
soil fertility
20%
family resource management
17%
kerosene
15%
finance
14%
carbon
14%
kitchens
14%
deforestation
13%
agricultural land
10%
sales
10%
cooking
10%
lighting
9%
testing
8%
carbon dioxide
8%
fertilizers
8%
biomass
6%
nutrients
6%
soil
5%
Earth & Environmental Sciences
stove
71%
biogas
34%
mud
17%
organic fertiliser
17%
household
17%
finance
15%
surplus
14%
savings
13%
biomass
12%
substitution
12%
greenhouse gas emissions
12%
kerosine
8%
carbon
7%
lighting
7%
soil fertility
7%
fertility
7%
emission reduction
6%
deforestation
6%
fertilizer
6%
stone
5%
soil
5%
replacement
5%
agricultural land
5%
carbon dioxide
5%
test
5%
mitigation
5%
nutrient
4%
Engineering & Materials Science
Stoves
76%
Biogas
40%
Fertilizers
26%
Biomass
19%
Soils
16%
Finance
16%
Gas emissions
14%
Greenhouse gases
14%
Substitution reactions
13%
Deforestation
11%
Carbon
10%
Kitchens
9%
Nutrients
8%
Kerosene
8%
Cooking
8%
Sales
6%
Carbon dioxide
6%
Fires
5%
Lighting
5%
Availability
4%