Student World Atlas (Maailma atlas)
20·
10·
D Areas most affe cted by acid rain
· Poor air q uality '
0" ,. Asia's h igh popu lat ion dens iries
'Cue s exceed mg ar reast one 0'
th e Wo rld He alth
have led co a mulrirude of env i
OrganJzanon s (WHO) a nnua l m ean g u rd e lmes for dlr
quality ronm ental problem s, includi n g
20 "
Sources Global Dlstrrbutlo n of 0 6gmal and Remaining Forests, polluti on , d eforestation, over fish
UNEP·WCMC, 2002
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