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Sea level rise is a significant consequence of climate change, impacting coastal regions worldwide. Understanding the facts and figures related to this phenomenon is essential for awareness and planning.
What Is Sea Level Rise?
Sea level rise refers to the increase in the average height of the world’s oceans. It results primarily from the melting of ice sheets and glaciers and the thermal expansion of seawater as it warms.
Current Trends and Data
Global sea levels have risen approximately 3.3 inches (84 millimeters) since 1993, based on satellite data. The rate of increase has accelerated over the past few decades.
Projected Future Changes
By 2100, sea levels are expected to rise between 1 and 4 feet (0.3 to 1.2 meters), depending on greenhouse gas emissions and climate policies. Higher rises pose risks to coastal communities and ecosystems.
Impacts of Sea Level Rise
Rising sea levels can lead to increased flooding, erosion, and loss of habitat. Vulnerable areas include low-lying islands, delta regions, and densely populated coastal cities.
- Flooding of residential areas
- Loss of freshwater resources
- Displacement of communities
- Damage to infrastructure
- Threats to biodiversity