Climate change recognized as a public health emergency in India
Climate change is causing a broad-spectrum medical crisis in India, intensifying existing diseases and introducing new health challenges. Increased waterlogging in cities like Mumbai leads to waterborne infections (cholera, typhoid), while droughts cause water scarcity and diarrhoeal diseases. Shifting seasonal patterns expand disease windows, leading to a rise in vector-borne diseases like dengue and malaria, even in previously unaffected regions. Rising air pollution from increased AC use and greenhouse gases contributes to respiratory and cardiovascular diseases. Extreme heat causes heat-stroke deaths, eliminates recovery windows, and impacts infant health. Food systems are disrupted, leading to shortages, malnutrition, and weakened immunity, especially among vulnerable populations. Recognizing climate change as a medical emergency is crucial for urgent response.
Key Points
- Climate change in India is intensifying waterborne infections due to waterlogging and increasing diarrhoeal diseases due to water scarcity.
- Shifting seasonal patterns are expanding the geographic reach and incidence of vector-borne diseases like dengue and malaria.
- Rising air pollution, exacerbated by increased energy consumption for cooling, contributes to respiratory, cardiovascular, and kidney diseases.
- Extreme heat leads to heat-stroke deaths, impacts human recovery, and negatively affects infant health outcomes.
- Climate change disrupts food systems, causing shortages, declining nutritional quality, and increased vulnerability to disease, particularly among children and the elderly.
Exam Facts
- Examples of waterborne diseases: cholera, typhoid, hepatitis A, leptospirosis.
- Examples of vector-borne diseases: dengue, malaria.
- Pollutants mentioned: PM2.5 (microscopic particulates).
- Affected regions: Mumbai, Delhi-NCR, Odisha, Telangana, Vidarbha, Himachal Pradesh.
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