Funding India’s Climate Future: A Trillion-Dollar Question

Why in News?

India needs large-scale, predictable, low-cost and credible climate finance to meet its Nationally Determined Contributions, build climate-resilient infrastructure, reduce emissions from hard-to-abate sectors and move towards its long-term goal of net-zero emissions by 2070.

India requires around $2.5 trillion between 2015 and 2030 to meet its Nationally Determined Contributions (NDC) targets. Over the longer term, the cost of achieving net-zero emissions by 2070 is estimated to be around $10.1 trillion. 

India already has several instruments such as green bonds, sovereign green bonds, blended finance, sustainability-linked debt, infrastructure investment trusts, green deposits and regulatory frameworks. 

The real gap lies in institutional capacity, credible classification, risk-sharing mechanisms and the ability to reduce the cost of green capital.

What is Climate Finance?

Climate finance refers to local, national or transnational financing that supports actions to address climate change. It includes both mitigation finance, which reduces greenhouse gas emissions, and adaptation finance, which helps societies adjust to climate impacts.

Key Forms of Climate Finance:

• Green Bonds: Debt instruments used to finance environmentally beneficial projects.
• Sovereign Green Bonds: Green bonds issued by the government. 
• Blended Finance: Use of public or concessional capital to reduce risk for private investors. 
• Climate Funds: Dedicated funds for climate mitigation and adaptation. E.g., Green Climate Fund
• Carbon Markets: Market-based mechanism for emission reduction credits. E.g., Voluntary carbon credits, compliance markets.
• Green Deposits: Deposits whose proceeds are allocated to green activities. 

Why India needs massive Climate Finance?

• Meeting NDC Targets: India’s updated NDCs include:
  • Emissions Intensity: Reduce the emissions intensity of GDP by 47% below 2005 levels by 2035 (up from the 45% target set for 2030).
  • Renewable Energy Capacity: Achieve 60% of cumulative electric power installed capacity from non-fossil fuel-based resources by 2035 (up from the 50% target set for 2030).
  • Carbon Sinks: Create an additional carbon sink of 3.5 to 4.0 billion tonnes of CO₂ equivalent through forest and tree cover by 2035.

These goals require large investments in renewable energy, transmission infrastructure, battery storage, green hydrogen, electric mobility, afforestation and climate-resilient agriculture.

• Achieving Net-Zero by 2070: India’s net-zero goal cannot be achieved through public expenditure alone. It requires long-term finance from banks, bond markets, development finance institutions, sovereign funds, pension funds and global climate funds.
• Decarbonising Hard-to-Abate Sectors: Four sectors- Power, steel, cement and road transport account for a major share of India’s emissions. Decarbonising these sectors is difficult because the technologies required are capital-intensive. Green steel, green cement, carbon capture, battery storage, green hydrogen and grid modernisation need policy support before they become commercially viable at scale.
• Financing Adaptation: India is highly vulnerable to heatwaves, floods, cyclones, droughts, glacier melt and sea-level rise. Adaptation finance is needed for resilient agriculture, urban drainage, coastal protection, climate-resilient housing, early warning systems and water security. Adaptation projects often do not generate clear commercial revenue, making them harder to finance.

The Climate Finance Gap:

• India’s climate finance requirement is far larger than the finance currently available. According to estimates, India requires at least 2.5% of GDP annually as green finance until 2030. 
• In four key emitting sectors (steel, cement, power and road transport), additional capital expenditure requirements are estimated at $467 billion between 2022 and 2030, or around $54 billion annually.
• At the global level, developing countries require trillions of dollars for climate action. The developed world’s earlier promise to mobilise $100 billion annually was inadequate and delayed. 
• At COP29 in Baku, the New Collective Quantified Goal set a target of $300 billion annually by 2035. Many developing countries, including India, criticised it as insufficient because it falls short of actual needs. 

Why is Climate Finance Taxonomy Crucial?

The Union Budget 2024-25 announced that India would develop a climate finance taxonomy. In 2025, the government released a draft framework. 

A taxonomy is crucial because it defines what counts as climate-aligned activity. Without it, green finance remains vulnerable to greenwashing, inconsistent reporting and weak investor confidence. It helps in:

• Preventing Greenwashing: Investors can distinguish genuinely green projects from misleading claims.
• Attracting Global Capital: International investors need clear standards for compliance and disclosure.
• Improving Bank Lending: Banks can classify green loans more accurately.
• Supporting Regulation: Regulators can design incentives for climate-aligned lending.
• Enabling Carbon Markets: A taxonomy helps create credible measurement, reporting and verification systems.
• Reducing Cost of Capital: Clarity reduces risk perception and can lower financing costs.

The Role of RBI in Climate Finance:

The RBI has a central role in directing the financial system towards climate resilience. 

Existing and Emerging Role: 

• Climate Risk Disclosure: Banks and financial institutions need to disclose climate-related risks in governance, strategy, risk management and metrics.
• Green Deposits Framework: This channels bank deposits towards eligible green activities.
• Climate Risk Information System: Climate data can help banks assess physical and transition risks.
• Regulatory Sandbox: Sustainable finance innovations can be tested in a controlled environment.
• Priority Sector Lending Linkages: Climate adaptation and mitigation can be gradually integrated into priority lending frameworks.
• Stress Testing: Banks need climate stress tests to assess risks from floods, droughts, heatwaves and transition shocks.

Why Blended Finance Matters?

• Blended finance uses public or concessional funds to reduce risk for private investors. It is especially useful in sectors where commercial returns are uncertain or risks are high.
• For example, a public first-loss guarantee can absorb initial losses and encourage private investors to invest in solar storage, offshore wind, green hydrogen, electric mobility, low-carbon steel, resilient agriculture or urban climate infrastructure.
• Benefits of Blended Finance:
  • Reduces project risk.
  • Lowers the cost of capital.
  • Attracts private investors.
  • Makes new technologies bankable.
  • Useful for adaptation projects where revenue streams are weak.

Key Challenges in Financing India’s Climate Future:

• High Cost of Capital: Green technologies such as battery storage, green hydrogen, carbon capture and offshore wind require large upfront investments. High borrowing costs make many projects commercially unattractive.
• Weak Project Pipeline: Many climate projects remain at the concept stage because of poor project preparation, weak feasibility studies and limited technical capacity.
• Lack of Clear Taxonomy: Without a finalised and legally backed taxonomy, investors face uncertainty over what qualifies as green or transition finance.
• Greenwashing Risks: Mislabelled green projects can damage investor trust and weaken the credibility of India’s green finance market.
• Limited Adaptation Finance: Most climate finance flows towards mitigation, especially renewable energy. Adaptation sectors such as water, agriculture, health, coastal resilience and urban drainage receive far less finance.
• Low Municipal Capacity: Urban local bodies often lack creditworthiness, technical expertise and revenue streams to raise green debt.
• Underdeveloped Bond Market: India’s corporate bond market is still relatively shallow. This limits the growth of long-term climate finance.

Way Forward:

• Finalise India’s Climate Finance Taxonomy with clear sectoral thresholds, transition pathways, disclosure norms and verification standards. It should be compatible with India’s development priorities and avoid blindly copying Western taxonomies.
• Build a dedicated State Climate Finance Facility to help States and municipalities prepare bankable projects, access concessional finance and issue green bonds. It can be capitalised by the Union government, NABARD, SIDBI, multilateral development banks and climate funds.
• Expand Sovereign Green Bonds issuances and use them to finance public goods such as railways, grid infrastructure, climate-resilient irrigation, flood management and urban adaptation.
• Banks should conduct climate stress tests to assess risks from floods, heatwaves, droughts, cyclones and transition shocks. Loan portfolios in climate-sensitive sectors should be evaluated more rigorously.
• Coordination between the Ministry of Finance, RBI, SEBI, NABARD, SIDBI, State governments, municipalities and sectoral ministries. Fragmented regulation will slow down climate finance mobilisation.

Climate finance is linked to intergenerational justice. The current generation must finance a transition that protects future generations from irreversible climate harm.