Geoscience Reference
In-Depth Information
(e) Beijing
(5) Experienced a devastating
smog event in 1952
(h) Sao Paulo
(8) High ozone due to
high-elevation basin surrounded
by mountains
(f) New Delhi
(6) Heavy particulate
pollution, particularly from
soil erosion
(i) Moscow
(9) Ozone levels exceeded
0.6 ppmv in the 1950s
(g) Paris
(7) Environmental protection
body abolished in
2000
(j) London
(10) Biofuels for heating and
cooking have contributed to the
Asian Brown Cloud
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