Mains Paper 3: Conservation, environmental pollution and degradation, environmental impact assessment.
Prelims: Great Smog London
Mains level: This news card talks about the alarming air pollution in Delhi and its impact along with comparing it to the great London smog.
- As air pollution hit alarming levels in Delhi, major city hospitals on November 8 experienced a surge in the number of patients complaining of respiratory problems with AIIMS Director comparing the situation to the killer Great Smog of London in 1952.
- There is a need for implementation of long-term measures to tackle the crisis.
- There was a spurt in fresh cases in hospitals and conditions of patients with history of asthma, Chronic Obstructive Pulmonary Disorder (COPD) and cardiovascular diseases deteriorated.
- It leads to breathlessness, coughing, sneezing, tightness in chest, allergy and asthma complications.
- There is about 20 per cent rise in patients seeking treatment due to respiratory and cardiac issues.
- Pollution is at such a severe level that patients with respiratory and cardiac problems may develop life-threatening conditions.
- On December 5, 1952, thick yellow smog brought London to a standstill for four days and is estimated to have killed more than 4,000 people.
- Sulfurous smog is also called “London smog,” (first formed in London).
- Sulfurous smog results from a high concentration of SULFUR OXIDES in the air and is caused by the use of sulfur-bearing fossil fuels, particularly coal.
- This type of smog is aggravated by dampness and a high concentration of suspended particulate matter in the air.