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Environmental Issues and Health Effects Video Lecture | Shankar IAS for Environment: Summaries & MCQs - UPSC

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FAQs on Environmental Issues and Health Effects Video Lecture - Shankar IAS for Environment: Summaries & MCQs - UPSC

1. What are the main environmental issues affecting human health?
Ans. The main environmental issues affecting human health include air pollution, water pollution, climate change, deforestation, and hazardous waste. These issues can lead to various health problems such as respiratory diseases, waterborne illnesses, heat-related illnesses, and exposure to toxic chemicals.
2. How does air pollution affect human health?
Ans. Air pollution can have detrimental effects on human health. Breathing in polluted air can lead to respiratory problems such as asthma, bronchitis, and other respiratory infections. It can also worsen existing conditions like allergies and chronic obstructive pulmonary disease (COPD). Long-term exposure to air pollution has been associated with an increased risk of heart disease, stroke, and lung cancer.
3. What are the health effects of water pollution?
Ans. Water pollution can have severe health effects on individuals. Contaminated water can transmit various waterborne diseases such as cholera, dysentery, hepatitis, and typhoid fever. It can also lead to gastrointestinal problems, skin rashes, and eye infections. Prolonged exposure to certain pollutants in water, such as heavy metals, can cause long-term health issues including organ damage and an increased risk of cancer.
4. How does climate change impact human health?
Ans. Climate change has a wide range of impacts on human health. Rising temperatures can increase the frequency and intensity of heatwaves, leading to heat exhaustion and heatstroke. Climate change can also alter patterns of infectious diseases, allowing the spread of diseases like malaria and dengue fever to new regions. Additionally, extreme weather events such as hurricanes and floods can cause injuries, displacement, and mental health issues.
5. What are the health risks associated with deforestation?
Ans. Deforestation poses several health risks to both local communities and global populations. One major risk is the loss of biodiversity, which can disrupt ecosystems and increase the transmission of zoonotic diseases from animals to humans. Deforestation also contributes to climate change, which has numerous health impacts as mentioned earlier. Furthermore, deforestation reduces access to clean air and water, leading to respiratory problems and waterborne illnesses.
29 videos|68 docs|34 tests
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