Waste Management I - Geography

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44 Terms

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Definition of Waste

Waste is any material discarded after serving its purpose or remaining at the end of a process with no further use

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Modern Waste Generation

Waste is produced in alarming quantity and complexity today due to the use-and-throw lifestyle and overexploitation of resources

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Consequences of Waste Accumulation

Heaps of solid waste create foul smell

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Impact of Rain on Waste

During rains decomposed waste with pathogens flows into water bodies

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Link Between Technology and Waste

Science and technology accelerate resource exploitation

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Classification of Waste by Origin

Waste is classified as domestic

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Definition of Domestic Waste

Waste from households such as leftover food

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Definition of Industrial Waste

Waste from small and large industries including chemicals

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Examples of Industrial Waste

Toxic wastes like lead

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Impact of Industrial Waste

Waste gases like sulphur dioxide and nitrogen oxides from industries cause acid rain and health problems

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Definition of Agricultural Waste

Waste from farms including crop residue

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Uses of Agricultural Waste

Agricultural waste is often recycled

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Growth of Solid Waste in India

According to the Ministry of Environment

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Need for Waste Management in India

Long-term strategies supported by government

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Role of Swachh Bharat Abhiyan

Swachh Bharat Abhiyan promotes a cleaner future by developing and deploying waste treatment

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First Step in Waste Management

Proper segregation of waste at source enables recycling and resource recovery

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Role of Community in Waste Management

Active community participation and public-private partnerships promote responsible waste handling

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Government Role in Waste Management

Government invests in composting plants

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Definition of Waste Segregation

Segregation means dividing waste into different categories such as biodegradable and non-biodegradable

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Definition of Dry Waste

Non-biodegradable waste such as wood

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Definition of Wet Waste

Biodegradable organic waste such as kitchen scraps

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Benefits of Waste Segregation

Reduces landfill load

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Examples of Biodegradable Waste

Kitchen waste

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Examples of Non-Biodegradable Waste

Plastics

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Subcategories of Non-Biodegradable Waste

Recyclable (plastic

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Precautions for Toxic and Soiled Waste

These must be handled with extreme care and disposed of safely to prevent health hazards

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Definition of Composting

Composting is decomposing organic waste like kitchen and garden scraps into nutrient-rich manure using microorganisms

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Benefits of Composting

Reduces waste volume

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Definition of Vermicomposting

Vermicomposting uses earthworms to speed up decomposition of organic waste and produce nutrient-rich vermicast

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Advantages of Vermicomposting

Produces high-quality manure

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Definition of Recycling

Recycling is converting waste materials such as paper

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Benefits of Recycling

Conserves resources

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Definition of Incineration

Incineration is burning waste at high temperatures

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Advantages of Incineration

Reduces waste volume by 90%

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Disadvantages of Incineration

Expensive to build and maintain

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Definition of Sanitary Landfill

A scientific method of waste disposal where waste is layered

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Advantages of Sanitary Landfills

Simple

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Disadvantages of Sanitary Landfills

Requires large land area

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Definition of Pyrolysis

Pyrolysis decomposes organic waste chemically at high temperatures without oxygen

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Definition of Energy Recovery from Waste

Generating energy as electricity

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Advantages of Energy Recovery

Reduces fossil fuel dependence

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Government Initiatives for Waste Management

Includes Swachh Bharat Mission

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Role of Public Awareness

Awareness campaigns encourage segregation

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Role of Technology in Waste Management

Technology improves waste collection