Source: The Hindu | Author: Akshay Rout
Context: Urban waste management, climate action, circular economy

0.1 Why waste management has become a global climate issue

0.1.1 At COP30 (2025, Brazil), waste management was placed at the centre of global climate discussions.
0.1.2 A global initiative called “Organic Waste, NOW” was launched to reduce methane emissions from waste.
0.1.3 Methane is a powerful greenhouse gas released during the decomposition of organic waste.
0.1.4 The summit highlighted circularity, which treats waste as a resource rather than an environmental burden.

0.2 India’s commitment to circularity

0.2.1 India promoted Mission LiFE (Lifestyle for Environment) at COP26, Glasgow (2021).
0.2.2 The emphasis shifted from mindless consumption to deliberate utilisation of resources.
0.2.3 A circular economy seeks to reduce waste, reuse materials, and recover energy.

0.3 Urban India’s growing waste crisis

0.3.1 Rapid urbanisation has made large-scale waste generation unavoidable in Indian cities.
0.3.2 Cities face a stark choice between clean, liveable environments and polluted, waste-filled spaces.
0.3.3 Several Indian cities rank among the world’s most polluted, despite ongoing government interventions.

0.4 Scale of the future problem

0.4.1 By 2030, Indian cities are projected to generate 165 million tonnes of waste annually.
0.4.2 Urban areas already emit more than 41 million tonnes of greenhouse gases.
0.4.3 By 2050, with the urban population reaching 814 million, waste generation could rise to 436 million tonnes.
0.4.4 Without early intervention, this trend will severely impact public health, economic productivity, and the climate.

0.5 Swachh Bharat Mission and its limits

0.5.1 The Swachh Bharat Mission (SBM) prioritised sanitation and the elimination of open defecation.
0.5.2 Under SBM Urban 2.0, around 1,100 cities have achieved dump-free status.
0.5.3 However, garbage-free cities require sustainable waste processing systems, not only cleanliness drives.

0.6 Why India must shift from linear to circular waste management

0.6.1 Conventional waste systems follow a linear model of collect → dump → forget.
0.6.2 Circular waste management aims to minimise waste generation and recover materials and energy.
0.6.3 This approach recognises waste as an economic and environmental asset.

0.7 Managing organic waste and energy recovery

0.7.1 More than 50% of municipal solid waste in India is organic in nature.
0.7.2 Organic waste can be processed through composting and bio-methanation plants.
0.7.3 Compressed Biogas (CBG) plants convert organic waste into clean fuel and electricity.
0.7.4 These technologies reduce landfill pressure and significantly cut methane emissions.

0.8 Plastic waste challenges

0.8.1 Plastic waste is the most damaging category of dry waste.
0.8.2 Plastics pose serious risks to ecosystems and human health.
0.8.3 Effective recycling depends on proper segregation at the household level.
0.8.4 Poor segregation overwhelms material recovery facilities and reduces recycling efficiency.

0.9 Construction and demolition (C&D) waste problem

0.9.1 India generates nearly 12 million tonnes of C&D waste annually.
0.9.2 This waste contributes to air pollution and occupies valuable urban land.
0.9.3 Illegal dumping along roadsides and vacant plots remains widespread.
0.9.4 Recycling C&D waste can supply cost-effective raw materials for construction.

1.0 Gaps in recycling and enforcement

1.0.1 Recycling capacity is expanding but lags behind the pace of waste generation.
1.0.2 Mixing C&D waste with household waste reduces overall recycling effectiveness.
1.0.3 The Construction and Demolition Waste Management Rules, 2016 exist, but enforcement is weak.
1.0.4 Updated rules notified in 2025 will become effective from April 1, 2026.

1.1 Wastewater and water reuse as part of circularity

1.1.1 Wastewater management is closely linked to urban water security.
1.1.2 Reuse of treated wastewater reduces dependence on freshwater sources.
1.1.3 Programmes like AMRUT and Swachh Bharat Mission address sewage and faecal sludge management.
1.1.4 Water recycling is critical as India’s natural water resources are insufficient for future demand.

1.2 Key hurdles in achieving circularity

1.2.1 Poor segregation at source limits downstream recycling.
1.2.2 Weak collection, processing, and logistics systems disrupt waste value chains.
1.2.3 Quality and market constraints affect recycled products.
1.2.4 Extended Producer Responsibility (EPR) for dry waste remains weakly implemented.

1.3 Governance and coordination challenges

1.3.1 Poor inter-departmental coordination weakens accountability.
1.3.2 Identification and tracking of C&D waste sources are inadequate.
1.3.3 Incentive and penalty mechanisms are insufficient to enforce compliance.
1.3.4 Urban local bodies face resource and capacity constraints.

1.4 Signs of positive momentum

1.4.1 National-level discussions on circularity are increasing, including an urban conclave in New Delhi.
1.4.2 India launched the Cities Coalition for Circularity (C-3) at the Asia-Pacific meet in Jaipur.
1.4.3 The platform aims to share knowledge, best practices, and scalable models across cities.