TY  - BOOK
AU  - Costab-Spau,  Rosa
TI  - Keeping the air clean
T2  - The junior librar of ecology
SN  - 9789833733187
AV  - TD883.13 .C8513 
U1  - 363.73 
PY  - 2006///
CY  - New York : 
PB  - Unipress Publishing , 
N1  - Q
; 660
; Lexile estimate
; Q
; Raz-Plus

N2  - Easy-to-read text and illustrations that explain global warming, the breakdown of the ozone layer, acid rain, and other environmental matters relating to the air

ER  -