Special Topic 1: Major Environmental Threats & Health Risks (Page 2)
1️⃣ Air Pollution
Air pollution is one of the most serious environmental health risks globally. Industrial emissions, vehicle exhaust and burning of fossil fuels contribute to deteriorating air quality.
- Respiratory diseases
- Asthma and bronchitis
- Cardiovascular complications
- Reduced life expectancy
Urban populations are particularly vulnerable due to high population density and traffic congestion.
2️⃣ Water Pollution
Contaminated water sources lead to widespread water-borne diseases. Industrial waste discharge and poor sanitation systems worsen the problem.
- Diarrheal diseases
- Cholera
- Typhoid
- Heavy metal toxicity
🌡 3️⃣ Climate Change & Heat Stress
Rising global temperatures are increasing heat waves and extreme weather events. These changes affect both physical and mental health.
- Heat strokes
- Spread of vector-borne diseases
- Food insecurity
- Mental stress and displacement
🗑 4️⃣ Waste Management Crisis
Improper waste disposal, especially plastic waste, contributes to soil degradation and water contamination.
- Microplastics in food chain
- Groundwater contamination
- Increase in disease-causing vectors
Analytical Insight
Environmental threats are not isolated ecological issues; they directly influence economic growth, healthcare expenditure and social stability. Failure to address these risks can weaken national development.
GS-3 (Environment & Health), GS-2 (Governance), Essay Paper
Environmental & Public Health Series
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