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

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Presentation on theme: "9.2 Smog Heat Island Effect Noise Lights. Smog Dirty clouds of pollution."— Presentation transcript:

1 9.2 Smog Heat Island Effect Noise Lights

2 Smog Dirty clouds of pollution

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

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

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

6 PAN Peroxyacetyl nitrates Respiratory and eye irritants Cause cancer Kill plants

7 Ozone Levels Monitored everyday Warnings on high days

8 Atmospheric Ozone Good Protects earth Radiation

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

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

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

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

14 Decibel (dB) Measures sound 120 dB can cause deafness

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

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