NOISE POLLUTION 
Definition: Noise pollution happens when a sound loudness is more than 70 dBs
Effects
Health problems
Hearing loss
High blood pressure
Heart disease
Reduced daily productivity
Mental illnesses
ADHD (autism)
Depression
Exacerbated concentration
Causes
Rapid increase in vehicles
The unawareness of people
Construction activities
Poor urban planning
Solutions
Turning off appliances when not in use (especially in public)
Use of earplugs
Planting more trees