TY  - BOOK
AU  - Singh, Y. K.
TI  - Environmental science
SN  - 8122418481
U1  - 333.7 
PY  - 2006///
CY  - New Delhi
PB  - New Age International (P) Ltd.
KW  -  
N1  - Prefece  v 1. Environmental Science: Definition, Scope and Importance  1 2. Environmental Science: Natural Resources  10 3. Environmental Science: Ecosystem  108 4. Environmental Science: Biodiversity and Conservation  137 5. Environmental Science: Pollution and its Factors  161 6. Environmental Science: Social Issues  192 7. Environmental Science: Human Population and Environment 220 8. Environmental Science: Field Trip  246 9. Environmental Science: Modern Methods  256 10. Environmental Science: Modern Library  280 11. Environmental Science: Modern and Effective Teacher  289 Glossary  301 Reference  310
ER  -