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Rising Faster Than Expected: Why Global Sea Levels Are Surging

Scientists are sounding the alarm after global sea levels rose at an unexpectedly high rate in 2024, according to new data from NASA. The agency’s analysis found that sea levels increased by nearly a quarter of an inch last year—significantly outpacing the projected 0.17 inches per year.

The Science Behind The Surge

The primary driver? Unusual ocean warming and accelerated ice melt. More than 90% of the excess heat from greenhouse gas emissions is absorbed by the oceans, causing water to expand in a process known as thermal expansion. This accounts for about two-thirds of observed sea level rise, while the remaining third comes from melting glaciers and ice sheets.

Antarctica is losing roughly 150 billion tons of ice annually, while Greenland sheds around 270 billion tons per year—equivalent to the weight of 26,000 Eiffel Towers. Together, they are adding billions of gallons of water to the oceans, pushing sea levels higher at an accelerating pace.

The Growing Threat

Rising sea levels pose a significant threat to coastal cities, infrastructure, and ecosystems. Higher water levels mean more destructive storm surges, faster coastal erosion, and increased high-tide flooding. If all the world’s ice sheets and glaciers melted, global sea levels would surge by over 195 feet—enough to submerge entire cities.

The Warmest Year On Record

Adding to the concern, 2024 was also confirmed as the hottest year ever recorded, with global temperatures soaring 2.3 degrees Fahrenheit above NASA’s 20th-century average. “With 2024 as the warmest year on record, Earth’s expanding oceans are following suit, reaching their highest levels in three decades,” said Nadya Vinogradova Shiffer, head of physical oceanography programs at NASA.

The consequences are already taking shape. A Climate Central analysis projects that by 2050, more than four million acres of U.S. land could be partially submerged by rising tides. Without decisive action to curb emissions, the pace of sea level rise may accelerate even further, reshaping coastlines and economies worldwide.
Read 2024: The Hottest Year In Human History – A Turning Point For The Planet

EU Moderates Emissions While Sustaining Economic Momentum

The European Union witnessed a modest decline in greenhouse gas emissions in the second quarter of 2025, as reported by Eurostat. Emissions across the EU registered at 772 million tonnes of CO₂-equivalents, marking a 0.4 percent reduction from 775 million tonnes in the same period of 2024. Concurrently, the EU’s gross domestic product rose by 1.3 percent, reinforcing the ongoing decoupling between economic growth and environmental impact.

Sector-By-Sector Performance

Within the broader statistics on emissions by economic activity, the energy sector—specifically electricity, gas, steam, and air conditioning supply—experienced the most significant drop, declining by 2.9 percent. In comparison, the manufacturing sector and transportation and storage both achieved a 0.4 percent reduction. However, household emissions bucked the trend, increasing by 1.0 percent over the same period.

National Highlights And Notable Exceptions

Among EU member states, 12 reported a reduction in emissions, while 14 saw increases, and Estonia’s figures remained static. Notably, Slovenia, the Netherlands, and Finland recorded the most pronounced declines at 8.6 percent, 5.9 percent, and 4.2 percent respectively. Of the 12 countries reducing emissions, three—Finland, Germany, and Luxembourg—also experienced a contraction in GDP growth.

Dual Achievement: Environmental And Economic Goals

In an encouraging development, nine member states, including Cyprus, managed to lower their emissions while maintaining economic expansion. This dual achievement—reducing environmental impact while fostering economic activity—is a trend that has increasingly influenced EU climate policies. Other nations that successfully balanced these outcomes include Austria, Denmark, France, Italy, the Netherlands, Romania, Slovenia, and Sweden.

Conclusion

As the EU continues to navigate its climate commitments, these quarterly insights underscore a gradual yet significant shift toward balancing emissions reductions with robust economic growth. The evolving landscape highlights the critical need for sustainable strategies that not only mitigate environmental risks but also invigorate economic resilience.

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