The International Day of Zero Waste is a UN-mandated global observance held annually on 30 March, jointly facilitated by the United Nations Environment Programme (UNEP) and UN-Habitat.
Established by UN General Assembly on 14 December 2022, the day promotes a transition from a linear “use-and-dispose” economy to a circular economy, focusing on sustainable consumption, resource efficiency, and waste reduction.
Theme International Day of Zero Waste 2026:
The 2026 theme: Food Waste highlights the urgent need to address food loss as a major environmental, economic, and social challenge.
Why Focus on Food Waste?
- Food waste is a preventable environmental problem
- Linked with:
- Climate change
- Food insecurity
- Resource inefficiency
- One of the most cost-effective climate solutions
Global Target
- Under SDG 12.3: Halve food waste by 2030
- Can reduce global methane emissions by up to 7%
Scale of Global Food Waste
| Indicator | Data |
| Total food wasted (2022) | ~1.05 billion tonnes |
| Share of global food | ~19% of available food |
| People facing hunger | ~783 million |
| Economic loss | ~$1 trillion annually |
Sector-wise Contribution
| Sector | Share |
| Households | 60% (631 million tonnes) |
| Food Services | 28% (290 million tonnes) |
| Retail | 12% (131 million tonnes) |
Food Waste as a Climate Crisis
- Contributes 8–10% of global greenhouse gas emissions
- Accounts for up to 14% of global methane emissions
- Methane from food waste is 25–28 times more potent than CO₂
- If food waste were a country – 3rd largest emitter globally
- Uses 28–30% of global agricultural land, accelerating:
- Biodiversity loss
- Freshwater depletion
India’s Food Waste Scenario
| Indicator | Data |
| Global Hunger Index Rank (2025) | 102/127 |
| Hunger Level | Serious (Score: 25.8) |
| Child Wasting | 18.7% |
| Child Stunting | 32.9% |
| Per capita food waste | ~55 kg/year |
| Total food waste | 78.2 million tonnes |
| Economic loss | ₹7.92 lakh crore annually |
India is the second-largest food-wasting country after China
Post-Harvest Losses in India
- Total losses: ~74 million tonnes annually (~22% of foodgrain output)
Commodity-wise Losses
- Livestock products: ~22% loss
- Fruits: 15–19% loss
- Vegetables: 11–18% loss
Key Issue: “Missing Middle”
Lack of:
- Cold storage infrastructure
- Refrigerated transport
- Efficient rural supply chains
Leads to large-scale spoilage before reaching consumers
India’s Policy Response
1. Mission LiFE (Lifestyle for Environment)
- Mission LiFE
- Promotes sustainable consumption through:
- Reducing plate waste
- Composting food
- Using biogas systems (GOBARDHAN)
- Reusing food scraps
- Concept: Pro-Planet People (P3)
- Approach: Jan Andolan (mass movement)
2. FSSAI Initiative
- Food Safety and Standards Authority of India
- Programme: Save Food, Share Food
- Platform: Indian Food Sharing Alliance (IFSA)
Key Features
- Redistributes surplus food to needy
- Involves:
- NGOs
- Food businesses
- Recovery agencies
- Supported by legal framework:
- Food Safety & Standards (Recovery & Distribution of Surplus Food) Regulations
Global Call for Action
- Stakeholders involved: Academia, Governments, Civil society, Communities, Businesses, Yuth and women
- Focus areas:
- Waste prevention
- Resource efficiency
- Circular economy transition