Noise pollution

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Noise pollution by Mind Map: Noise pollution

1. Definition

1.1. Big and loud sound

1.1.1. > 75dB

2. Causes

2.1. Industrial activities

2.2. Concerts

2.3. Transportation

2.4. Loud sound from markets,...

3. Effects

3.1. Health isues

3.1.1. Hearing loss

3.1.1.1. Permanent

3.1.1.2. Immediate

3.1.2. High blood pressure

3.1.3. Sleep disorders

4. Solutions

4.1. Install fence

4.2. Plant bushes and trees around the sound generating sources

4.3. Ban loud sound around hospitals, schools,etc

4.4. Put on earplugs

4.5. Listen to music at middle range

4.6. Do wall-to-wall carpeting

4.7. Replace the old automobiles with the new ones