Q.Mention major problems associated with urban waste disposal in India.

Concept: Urban Waste Management Issues

Urban waste disposal in India faces severe challenges due to rapid population growth and inadequate infrastructure. The key problems are:

1. Unsegregated waste — mixed biodegradable and non-biodegradable waste makes recycling nearly impossible and increases landfill burden.
2. Overflowing landfills — most cities rely on open dumps (e.g., Ghazipur, Deonar) that leach toxic chemicals into groundwater and emit methane.
3. Health hazards — waste pickers and nearby residents suffer from respiratory diseases, infections, and contamination from untreated biomedical and industrial waste. …

Why this matters

Before listing problems, understand the scale. India generates over 62 million tonnes of municipal solid waste annually, with only about 75% collected and a mere 20% processed. The rest ends up in dumpsites that are neither engineered nor sanitary. This isn't just an environmental issue — it's a public health crisis, an economic drain, and a governance failure.

The fundamental flaw is that India's urban local bodies still operate on a "collect and dump" model, while the waste itself has become more complex — plastics, e-waste, biomedical waste, and hazardous industrial residues are now mixed with organic kitchen waste. That mixture is the root of most downstream problems.

Major problems

1. Unscientific dumping and landfill crisis

   Most Indian cities rely on open dumpsites that lack liners, leachate collection systems, or gas capture. The result: groundwater contamination from leachate (a toxic liquid that seeps through waste), air pollution from open burning, and methane emissions that contribute to climate change. Landfills like Deonar in Mumbai or Ghazipur in Delhi have become mountains of waste, exceeding their designed capacity by decades.

2. No segregation at source

   Households and commercial establishments rarely separate waste into biodegradable, recyclable, and hazardous streams. Everything goes into one bin. This single act of mixing makes recycling nearly impossible, composting dangerous (because of contaminants), and incineration inefficient. Even where segregation rules exist, enforcement is weak.

3. Inadequate collection coverage

   In many smaller cities and peri-urban areas, waste collection services don't reach every household. Waste ends up in drains, vacant plots, or water bodies. This clogs drainage systems — a direct cause of urban flooding during monsoons — and creates breeding grounds for disease vectors.

4. Informal sector exploitation

   India's recycling economy depends on waste pickers and ragpickers who work without safety equipment, social security, or fair wages. They recover valuable materials from dumpsites under hazardous conditions. While they provide an essential service, their work is neither recognised nor integrated into formal waste management systems.

5. Financial and institutional weakness

   Urban local bodies spend 60–70% of their waste management budget on collection and transportation alone, leaving almost nothing for treatment or disposal. User fees are low or uncollected. Technical expertise is scarce — most municipal engineers are trained in civil works, not waste processing. This creates a cycle of poor service, low willingness to pay, and further underfunding.

6. Health and environmental externalities …