Loading..

ব্লগ

রিসেট

১১ আগস্ট, ২০২৬ ০৯:২৭ পূর্বাহ্ণ

Air Pollution : Its effect in environment
Air pollution is the contamination of the indoor or outdoor environment by harmful chemical, physical, or biological agents that alter the natural characteristics of the atmosphere. It is a critical environmental and global health crisis, with World Health Organization (WHO) data showing that 99% of the global population breathes air that exceeds safe quality limits. 
Key Air Pollutants
  • Particulate Matter (PM2.5 & PM10): Microscopic solids or liquid droplets that penetrate deep into the lungs and bloodstream.
  • Carbon Monoxide (CO): A toxic, odorless gas produced by incomplete fuel combustion.
  • Sulfur Dioxide (SO2) & Nitrogen Oxides (NOx): Gases from burning fossil fuels that cause respiratory issues and acid rain.
  • Ground-Level Ozone (O3): A major component of smog created when vehicular and industrial emissions react with sunlight.
Major Causes
  • Fossil Fuel Combustion: Emissions from motor vehicles, airplanes, and transport networks.
  • Industrial Operations: Smoke, toxic chemicals, and heavy waste gases released from factories and power plants.
  • Agricultural Activities: Release of ammonia gas and methane from livestock and fertilizers.
  • Natural Sources: Wildfires, volcanic eruptions, and desert dust storms. 
Disastrous Effects
  • Human Health: Causes respiratory disorders (like asthma and bronchitis), cardiovascular diseases, lung cancer, and millions of premature deaths annually. 
  • Environmental Impact: Triggers acid rain that damages buildings and ecosystems, depletes the ozone layer, and accelerates global warming. 
Control Measures
  • Shifting to clean, renewable energy sources like solar and wind power.
  • Promoting public transport, electric vehicles, and energy conservation.
  • Installing industrial filters and scrubbers to capture pollutants before they enter the atmosphere.
  • Expanding green cover through afforestation to naturally filter air. 
মন্তব্য করুন

ব্লগ