Carbon Capture, Utilisation and Storage (CCUS) for Achieving Net-Zero Emissions

Context:
The Union Budget has allocated ₹20,000 crore for Carbon Capture, Utilisation and Storage (CCUS) technologies, supporting India’s goal of achieving net-zero emissions by 2070.

Key Highlights:

  • Budgetary Allocation
  • ₹20,000 crore allocated for CCUS development over five years.
  • Purpose of CCUS
  • Capture carbon dioxide emissions from industrial processes.
  • Either store the CO₂ underground or convert it into useful products.
  • Global Context
  • Currently, only about 50 million tonnes of CO₂ are captured annually worldwide, representing less than 0.5% of global emissions (~40 billion tonnes).
  • Targeted Industries
  • Especially important for hard-to-abate sectors such as:
    • Steel
    • Cement
    • Chemicals
  • Research and Innovation
  • Centres of Excellence at IIT Bombay and Jawaharlal Nehru Centre for Advanced Scientific Research are developing indigenous CCUS solutions.
  • Policy Support
  • Department of Science and Technology released a CCUS R&D roadmap for 2030.

Relevant Prelims Points:

  • Carbon Capture, Utilisation and Storage (CCUS)
    • Technology that captures CO₂ emissions and either stores them underground or converts them into products.
  • Net-Zero Emissions
    • Balance between greenhouse gas emissions produced and those removed from the atmosphere.
  • India’s Net-Zero Target
    • Announced at COP26 Glasgow Climate Conference (2021).
    • Target year: 2070.
  • Carbon Border Adjustment Mechanism (CBAM)
    • EU policy imposing carbon tariffs on imports based on carbon intensity of production.

Relevant Mains Points:

  • Importance of CCUS for Climate Goals
  • Helps reduce emissions in industries where renewable alternatives are limited.
  • Supports clean energy transition.
  • Economic and Trade Benefits
  • Enables Indian industries to comply with international carbon regulations such as CBAM.
  • Enhances global competitiveness of Indian exports.
  • Technological Opportunities
  • Development of indigenous low-carbon technologies.
  • Creation of green industrial innovation ecosystems.
  • Challenges
  • High technology and infrastructure costs.
  • Need for safe geological storage sites.
  • Limited commercial scalability currently.
  • Way Forward
  • Increase public and private investment in climate technologies.
  • Develop carbon markets and incentives for CCUS adoption.
  • Promote international technology partnerships.

UPSC Relevance:

  • GS Paper III: Climate change mitigation technologies, sustainable development.
  • Prelims: CCUS, CBAM, net-zero targets.
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