Report on Global Warming
1. Definition
Global warming refers to the long-term increase in Earth’s average surface temperature. The primary
driver is the accumulation of greenhouse gases in the atmosphere, largely due to human activities
such as burning fossil fuels, industrial processes, and agriculture.
2. Causes
•
Carbon dioxide (CO₂): Released from vehicles, factories, and power plants.
•
Methane (CH₄): Emitted from livestock, rice cultivation, and waste management.
•
Other pollutants: Produced through deforestation, land-use changes, and fossil fuel
combustion.
These gases trap heat in the atmosphere, creating the “greenhouse effect.”
3. Historical Context
•
Natural climate variations occurred slowly over centuries.
•
Since the mid-19th century, industrialization and rapid population growth have accelerated
emissions.
•
The rate of warming in the past 150 years is significantly higher than natural background
changes.
4. Current Impacts
•
Cryosphere: Glaciers and polar ice sheets are melting, contributing to sea-level rise.
•
Weather patterns: Increased frequency of droughts, floods, and unpredictable rainfall.
•
Heat waves: More intense and prolonged, affecting human health and agriculture.
•
Wildfires: Higher risk due to hotter and drier conditions.
•
Ecosystems: Habitat loss for many species; coral reefs are bleaching due to warmer oceans.
5. Future Risks
•
Rising sea levels threaten coastal cities and infrastructure.
•
Food security may decline due to reduced crop yields.
•
Water resources will be stressed in many regions.
•
Biodiversity loss will accelerate as ecosystems fail to adapt.
6. Mitigation Strategies
•
Energy transition: Adoption of renewable sources such as solar, wind, and hydropower.
•
Carbon sinks: Protecting and restoring forests to absorb CO₂.
•
Efficiency measures: Use of energy-efficient appliances, recycling, and waste reduction.
•
Transportation: Shift toward electric vehicles and sustainable mobility systems.
7. Conclusion
Global warming is a scientifically documented phenomenon with wide-ranging environmental,
economic, and social consequences. It requires coordinated global action involving governments,
industries, and individuals. The trajectory of future climate conditions will depend on the
effectiveness of mitigation and adaptation strategies implemented today.