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Recents findings on climate change

 

    • The latest IPCC report reveals significant changes in Earth's climate observed globally, with many unprecedented changes that may be irreversible over hundreds to thousands of years. The report underscores the potential of strong and sustained reductions in carbon dioxide (CO2) and greenhouse gas emissions to limit climate change. According to IPCC Working Group I Report,

  1. Warming Trends

  • Immediate and large-scale reductions in greenhouse gas emissions are crucial to avoid surpassing global warming levels of 1.5°C or 2°C, as indicated by new estimates in the report.
  • Human activities have caused approximately 1.1°C of warming since 1850-1900, and global temperatures are expected to exceed 1.5°C within the next 20 years.

    2. Regional Impacts

    • Climate change is affecting every region globally, with impacts varying based on local conditions.
    • Warming over land exceeds the global average, especially in the Arctic, and changes will escalate with additional warming.
    • The report projects increased heat waves, longer warm seasons, and shorter cold seasons with global warming.

        2. Climate Changes beyond temperature changes, climate change brings various impacts across regions, including alterations to wetness, dryness, winds, snow, ice, coastal areas, and oceans.


        2. Examples of Specific Impacts

        • Intensification of the water cycle leads to more intense rainfall and flooding, as well as severe drought in many regions.
        • Changes in rainfall patterns, with potential increases in high latitudes and decreases in subtropics, vary by region.
        • Coastal areas will experience ongoing sea level rise, contributing to frequent and severe flooding and erosion.


              Future Projections

            • Continued warming will amplify permafrost thawing, loss of snow cover, melting glaciers, ice sheets, and summer Arctic sea ice.
            • Changes in the ocean, including warming, marine heatwaves, acidification, and reduced oxygen levels, are linked to human influence and will persist through the century.

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