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Global Environmental Issues Video Lecture | Political Science Class 12 - Humanities/Arts

33 videos|259 docs|52 tests

FAQs on Global Environmental Issues Video Lecture - Political Science Class 12 - Humanities/Arts

1. What are some global environmental issues?
Ans. Global environmental issues refer to problems that affect the natural world on a global scale. Examples include climate change, deforestation, pollution, loss of biodiversity, and depletion of natural resources.
2. How does climate change impact the environment?
Ans. Climate change has various negative effects on the environment. It leads to rising temperatures, melting glaciers, and sea-level rise, which can result in coastal flooding and erosion. It also disrupts ecosystems, leading to the loss of biodiversity and changes in weather patterns.
3. What are the causes of deforestation?
Ans. Deforestation is primarily caused by human activities such as logging, agriculture expansion, urbanization, and infrastructure development. These activities remove trees and vegetation, leading to the loss of forest cover and the negative impacts associated with it.
4. How does pollution affect ecosystems?
Ans. Pollution, whether it be air, water, or soil pollution, can have detrimental effects on ecosystems. It can harm plants, animals, and microorganisms, leading to reduced biodiversity and ecosystem imbalance. Pollution can also contaminate water bodies, affect air quality, and disrupt food chains.
5. Why is biodiversity important for the environment?
Ans. Biodiversity is crucial for the health and stability of ecosystems. It supports various ecosystem services such as nutrient cycling, pollination, and pest control. Biodiversity also provides resilience against environmental changes, helps in the development of medicines, and contributes to the overall well-being of our planet.
33 videos|259 docs|52 tests

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