Context: Indian Space Research Organisation Chairman V. Narayanan announced that the proposed G20 Satellite is expected to be launched in 2027 for G20 member nations.
About G20 Satellite:
What it is?
- The G20 Satellite is a proposed collaborative Earth observation satellite being led by India for the benefit of G20 countries.
- It is designed to study climate change indicators, monitor air pollution patterns, and improve global weather observation and forecasting systems.
Aim:
- To provide shared satellite-based data for climate monitoring, disaster forecasting, and environmental management among G20 nations.
- To strengthen India’s leadership in global space diplomacy and promote cooperative scientific solutions for sustainable development.
Key Features:
- Climate Observation Platform: It will monitor atmospheric changes, greenhouse gas patterns, and climate-sensitive environmental parameters across regions.
- Air Pollution Tracking: The satellite will help map aerosol concentration, pollution hotspots, and transboundary pollution flows for better policy intervention.
- Weather and Disaster Monitoring: It will support early warning systems for cyclones, floods, droughts, and extreme weather events using real-time Earth observation data.
Significance:
- It supports evidence-based climate action and strengthens collective environmental responsibility among G20 nations.
- India’s lead role enhances its position as a major space power and expands its soft power through technology diplomacy.
Relevance in UPSC Exam Syllabus
- GS Paper 3 – Science and Technology
- Space technology and its applications
- Developments in science and technology and their effects in everyday life
- GS Paper 3 – Environment
- Climate change and Disaster management
- Environmental pollution and monitoring
- GS Paper 2 – International Relations
- India’s role in global governance institutions
- G20 cooperation and multilateral diplomacy









