| Subject |
|---|
| camels [1] |
| CAMPFIRE [10] |
| canals [15] |
| capacity building [32] |
| cap-and-trade [1] |
| capital [8] |
| capitalism [9] |
| carbon sequestration [36] |
| carbon sequestration--models [1] |
| case study [5] |
| cash crops [5] |
| caste system [8] |
| catchments [38] |
| catfish [1] |
| cattle [18] |
| CBRM [141] |
| CEESA [5] |
| certification [14] |
| change [18] |
| charcoal [8] |