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The melting of Greenland's ice could cause a global climate catastrophe. Scientists are on high alert about the imminent danger of flooding in coastal cities.
The threat is real. A new study by scientists in the United States reveals that Greenland has experienced periods of total melting in the past, putting coastal cities around the world at risk. The research reveals alarming evidence that current global warming could trigger a similar process, raising sea levels by up to seven meters.
In the study published by the University of Vermont, fossils of plants, insects and even a poppy seed were discovered in sediments taken from central Greenland. These fossils indicate that the island, now covered by a thick layer of ice, was once green and supported life. The discovery is a strong indication that the Greenland ice sheet is more vulnerable than previously imagined, leaving scientists worried about the future.
Cities like New York, Miami and Mumbai could be submerged
Therefore, concern grows. If Greenland's ice melts completely again, as it has in the past, the impact will be catastrophic. Paul Bierman, co-author of the study, states that cities like New York, Miami and Mumbai could be submerged. He warns: “Don’t buy a house on the beach.” Rising sea levels by six or seven meters would submerge coastal areas, drastically altering the global map.
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To reach these conclusions, the researchers examined sediments from the bottom of a 3,2-mile-deep ice core extracted in 1993. These sediments were stored for 30 years in Colorado until the team decided to re-examine them. To the scientists' surprise, the soil found contained willow wood and insect parts in perfect condition, confirming the complete melting of Greenland in the distant past.
However, the researchers emphasize that the complete melting of Greenland is not exclusive to the present. According to Bierman, this probably occurred within the last million years and could have lasted for thousands of years. Enough for soil and entire ecosystems to form, something that makes the study even more worrying.
Scientists warn: the current situation is critical.
Therefore, scientists warn: the current situation is critical. Richard Alley, a renowned climate scientist, reviewed the study and emphasizes that even when the causes of warming were less extreme, sea level rise was significant. This study is a clear warning about the dangers of global warming, especially for those who live near the sea.
Finally, the research concludes with an urgent appeal. Reducing greenhouse gas emissions is essential to avoid a global climate catastrophe. The future of coastal cities depends on the actions we take now to protect Greenland and the planet as a whole.
