A recent analysis by NASA has revealed that global sea levels increased more than anticipated in 2024, which was recorded as the hottest year in history.
Key Findings from NASA’s Analysis:
- Unprecedented Rise: Global sea levels rose by 0.23 inches (0.59 cm) in 2024, exceeding the predicted 0.17 inches (0.43 cm).
- Primary Cause: This increase was mainly due to ocean warming combined with meltwater from glaciers and ice caps.
- Accelerating Trend: NASA scientists observed that sea levels are rising at an increasing rate, with significant long-term impacts.
Scientific Explanation:
- Since 1993, global sea levels have risen by approximately 4 inches (10 cm).
- Two main factors contribute to rising sea levels:
- Glacier and Ice Cap Melting: Freshwater from melting land ice flows into the ocean.
- Thermal Expansion: Warmer water expands, increasing sea levels.
- In 2024, thermal expansion accounted for two-thirds of the rise, reversing previous trends.
Future Risks and Impact:
- Rising sea levels pose a serious threat to coastal communities and island nations.
- Continued greenhouse gas emissions will further accelerate ocean warming and ice melt.
- Immediate action is required to mitigate climate change and prevent catastrophic consequences.
NASA’s findings highlight the urgent need for global efforts to reduce carbon emissions and protect vulnerable regions from rising sea levels.
