How can air pollution be controlled?

Explanation

Certain measures help to remove pollutants, reduce their presence or prevent their entry into the atmosphere.
• Trees are the best remedy for urban particulate and gaseou pollution.
• Forests act as carbon sinks and lungs of the planet.
• Catalytic converters in vehicles help to reduce polluting gases drastically.
• Diesel exhaust filters in automobiles cuts particulates.
• Electrostatic precipitators reduce release of industrial pollutants.
• Cost effective air pollution treatment systems like indoor plants and high performance biofilters can improve indoor air quality.