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Figure 1
The graph shows a steady increase in Earth’s average surface temperature since the 19th century, with particularly sharp warming observed after the 1980s.
Figure 2
The graph shows a clear long-term upward trend in global average sea level since 1880, with the rate of increase accelerating significantly in recent decades.
The graphs together illustrate the accelerating impact of rising carbon dioxide concentrations on Earth’s climate system. Increasing the global temperature shows a steady trend in Figure 1. This rising has directly contributed to the melting of glaciers and ice sheets and it leads to global sea level rise. According to NOAA data (Figure 2), average sea levels have risen by more than 20 centimeters since 1880, and continue to accelerate. In addition, after the Industrial Revolution, the rate of global temperature steadily increased. These trends show how the rate of CO₂ and human activities threaten the Earth’s ecosystems.
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