TY  - BOOK
AU  - Defries, Ruth S
AU  - Silver, Simon Cheryl
TI  - One earth our changing global environment one future
SN  - 8185336695
CY  - Delhi
KW  - Environmental policy
KW  - Global environmental change
KW  - Global warning
KW  - Man - influence on nature
KW  - Pollution
ER  -