3168298503

Dobson unit.

ozone layer

changc

Chemical

dęple|ion,S,

green

„worL. _aav, "::eco radiation

ecological. naturaU-?T,.«-

-.as atmosphere

air.grl^g^Tlnht problem 0Z0I16 ^a

save

^spaoeldla.yęr

ultrai/iolet ^danąi^rous|v

U VP a nłh destr uction _ Li Cli III mtnt-H ■    ■    ■

ozone shield

environmenTa|WąrJDing ^eC0SVSt8m

□obsonpian et sas*"-

shield H||j,

SGience^tom ™nstable

natureas&

ho|gOZOne depletlOn chcmistry

_lni    'electromagnetic

Sundarigerr^r"^a

9^as climate olobal

environmen^,,“„““

nskppgtection

—polary jsky