0	0.16138	value forest timber economic households conservation analysis model 
1	0.08045	environmental performance ethanol production process fermentation companies acid 
2	0.1264	species forest forests area tree diversity india vegetation 
3	0.10714	nil plant soil different treatment table application pollution 
4	0.09717	soil food species savannas carbon crop vegetation table 
5	0.06535	water oil sacred river natural delta season state 
6	0.13939	energy construction nuclear wind human lead health global 
7	0.33694	development water management resources environmental sustainable local resource