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Waste Management Video Lecture | Science for Super TET

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FAQs on Waste Management Video Lecture - Science for Super TET

1. What is waste management?
Ans. Waste management refers to the systematic collection, transportation, processing, recycling, and disposal of waste materials. It involves various strategies and techniques to minimize the environmental impact of waste and promote sustainable practices.
2. Why is waste management important?
Ans. Waste management is crucial for several reasons. Firstly, it helps to protect the environment by preventing pollution and reducing the release of harmful substances. Secondly, proper waste management promotes public health by minimizing the risk of diseases. Additionally, it conserves natural resources, reduces greenhouse gas emissions, and supports the circular economy by recycling and reusing materials.
3. What are the different methods of waste management?
Ans. There are several methods of waste management, including: 1. Source reduction: This involves reducing waste generation at the source by promoting practices such as reuse, recycling, and composting. 2. Recycling: It involves collecting and processing waste materials to create new products. This helps conserve resources and reduce the need for raw materials. 3. Landfilling: It is the most common method of waste disposal, where waste is buried in designated landfill sites. However, this method can have negative environmental impacts if not properly managed. 4. Incineration: It involves the combustion of waste materials at high temperatures. This method can generate energy but also releases pollutants into the air. 5. Composting: This method involves the decomposition of organic waste materials, such as food scraps and yard waste, into nutrient-rich compost. It is a sustainable way to manage organic waste.
4. How can individuals contribute to waste management?
Ans. Individuals can contribute to waste management in several ways: 1. Reduce, reuse, and recycle: Practice waste reduction by minimizing the use of single-use items, reusing items, and recycling materials such as paper, plastic, and glass. 2. Proper waste segregation: Separate waste into different categories such as recyclables, organic waste, and non-recyclables. This makes it easier for waste management systems to process and recycle materials. 3. Composting: Compost organic waste, such as food scraps and yard trimmings, to reduce the amount of waste sent to landfills and create nutrient-rich soil. 4. Educate others: Spread awareness about the importance of waste management and encourage others to adopt sustainable practices. 5. Participate in community initiatives: Get involved in local recycling programs, clean-up drives, and initiatives aimed at promoting responsible waste management.
5. What are the challenges in waste management?
Ans. Waste management faces several challenges, including: 1. Increasing waste generation: As populations grow and economies develop, the amount of waste generated increases, putting pressure on waste management systems. 2. Limited landfill space: Finding suitable land for landfills is becoming increasingly difficult, especially in urban areas where land is scarce. 3. Environmental impacts: Improper waste management can lead to pollution of air, water, and soil, causing harm to ecosystems and human health. 4. Lack of infrastructure and resources: Some regions lack the necessary infrastructure and resources to implement effective waste management practices. 5. Changing waste composition: The composition of waste is constantly changing, with the introduction of new materials and packaging, making it more challenging to handle and recycle certain types of waste.
59 videos|118 docs|73 tests
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