9.2 Smog Heat Island Effect Noise Lights. Smog Dirty clouds of pollution.

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Presentation transcript:

9.2 Smog Heat Island Effect Noise Lights

Smog Dirty clouds of pollution

Industrial Smog Power plants that burn coal and oil Sulfur dioxide (SO2)

Photochemical Smog Burning gasoline Nitrogen oxides (Nox), ozone, PAN React with sun

Ozone Ground level Irritate and damage lungs Difficulty breathing Make asthma symptoms worse

PAN Peroxyacetyl nitrates Respiratory and eye irritants Cause cancer Kill plants

Ozone Levels Monitored everyday Warnings on high days

Atmospheric Ozone Good Protects earth Radiation

Catalytic Converters Eliminates car emissions Carbon monoxide (deadly) Nitrogen (make smog and acid rain; unhealthy) Hydrocarbons (generate ozone and smog)

Urban Heat Island Effect City is hotter than rural neighbors More dark surfaces to absorb / maintain heat More machines, air conditioners, heaters

Solutions to Heat Island 1.More plants and trees 2.More light surfaces

Noise Pollution Distracting, irritating, or damaging sounds Airplanes, trains Construction Loud music

Decibel (dB) Measures sound 120 dB can cause deafness

Light Pollution City lights on all night Harms nocturnal animals Cant see stars