-
The problems of poor urban air quality
The problems of poor urban air quality -
Public Health Act
try and reduce smoke pollution in urban areas. -
reduction in smog pollution in urban areas
-
Period: to
urban air pollution levels often reached very high levels.
uring foggy conditions, pollution levels escalated and urban smogs (smoke and fog) were formed. These often brought cities to a halt, disrupting traffic but more dangerously causing death rates to dramatically rise. The effects of this pollution on buildings and vegetation also became obvious. -
Smoke Abatement Act
Smoke Abatement Act -
The Great London Smog
-
Period: to
the Clean Air Acts
-
Period: to
Air qulity improved
-
motor vehicles problem
during the 1980s the number of motor vehicles in urban areas steadily increased and air quality problems associated with motor vehicles became more prevalent. -
Period: to
affects of lead pollution on human health,
affects of lead pollution on human health, -
Period: to
he effects of other motor vehicle pollutants became a major concern.
he effects of other motor vehicle pollutants became a major concern.