Written by Kritika Shenoy - Editor: Anastasia Eginoglou
Picture this: A large mass of land, where melted ice disintegrates gradually resulting in a surge in sea levels by over 6 meters. You see cities in coastal areas flooding and continents being reshaped to something entirely new. This isn't the plot of some dystopian sci-fi movie but a bitter reality of the state of Greenland. Greenland’s ice sheet, known to be fiercely cold, is rapidly melting and global warming is to blame. The consequences of Greenland’s melting ice will have a lasting impact on our future. It is of utmost significance that we understand the situation at hand in the island’s critical function in the climate system.
Greenland’s ice sheet ranks #2 among the largest ice sheets in the world, following Antarctica and spans about 1.7 million square kilometers. If the ice thawed, the water in this enormous reservoir would raise sea levels by about 7 meters (23 feet). Sea levels have surged in the past few decades because of the ice sheet's surprising rate of mass loss.
Greenland's ice sheet is massive enough that it blankets almost 80 per cent of the island's surface. Compressed snow layers, hundreds of years old, cover this glacial expanse. Unlike seasonal ice or glaciers, this ice sheet preserves a frozen record of Earth's climate history from over 100,000 years ago. By analyzing ice cores taken from Greenland, researchers have been able to follow historical climate changes and therefore more clearly see present warming tendencies in perspective.
With each passing year, the mass of Greenland's ice sheet has been decreasing. Between 1992 and 2002 the amount of ice loss increased by approximately 3.8 trillion tons. To put this into context, that's equivalent to 30 million tons of ice disintegrating per hour on average. An increase in temperatures worldwide is the main cause of this accelerated melting as it has quickened the flow of glaciers into the ocean, thus enhancing surface melting. Greenland's ice loss has increased dramatically in the last ten years, recent research claims. NASA Sea Level says Greenland has been losing on average 286 billion metric tons of ice yearly since 2000. In 2019 alone, it was enough to submerge all of California under four feet of water in just one year, breaking all ice loss records. Emphasizing the interdependence of Worldwide Weather Systems experts have tied this fast melt to atmospheric circulation patterns that brought exceptionally warm air over the ice sheet.
The ramifications of Greenland’s ice melting are extensive:
The meltwater of Greenland is the main contributor to the rise in global sea levels. The ice that was lost, estimated to be about 360 gigatons, is said to have caused a drop of 1 millimetre (0.039 inches) in sea level. The water level in 2002 was estimated to be about a whopping 63 millimetres (2.5 inches). From a global standpoint, these changes are hazardous and post a threat to the lower-lying areas, encouraging soil erosion and flooding.
This shift in global temperatures melting Greenland’s glaciers, causing freshwater to flood into the Atlantic Ocean, has a tendency to affect important ocean currents like the AMOC (Atlantic Meridional Overturning Circulation). A slight alteration in the AMOC can pose great changes to the environment. One can witness fluctuations in temperatures and sequences of precipitation, which play a significant role in governing global climate patterns.
Polar arctic glaciers witness a huge land loss due to the impact of global warming because of which polar bears and other animals dwelling in this arctic ecosystem depending on these glaciers to obtain food, are at risk. Fish stocks are changing as Arctic ice melts. The commercial species of cod, haddock, and other commercially important species are moving north more so. This interferes with customary fishing methods. Not just the animals, even the Indigenous people living in Northern Canada and Greenland face difficulties obtaining food sources including seals and whales.
More solar radiation is absorbed by darker surfaces beneath the melting ice, such as water from land or ocean, rather than reflecting it (Albedo Effect). By driving heat and causing further ice melting, the Albedo Effect contributes to a vicious cycle that amplifies global warming.
The financial consequences of Greenland's ice loss reach well beyond environmental issues. Billions of dollars are being channelled to fortify infrastructure as coastal cities are getting ready for increased sea levels. Arctic tourism is also expanding as ice-free oceans open up, giving way to previously uncharted shipping routes and commercial opportunities. The change, though, is not without hazards. Rising ship traffic endangers marine life, and competition for developing Arctic resources could worsen already high political tensions.
The future should be aware of and involved in addressing this ongoing climate crisis as they will probably be the ones most affected by the ecological choices made today. Greenland's ice sheet is melting quickly, and we are now experiencing the effects of rising sea levels and shifting climate conditions, which can impact ecosystems, uplift economies, cause migration patterns etc.
Even if the future may seem overwhelming, there are several tangible things that people and communities can do to do their bi
Strongly stand for legislation that pushes for the utilization of renewable energy sources, aiding in the minimization of greenhouse emissions
Be part of conversations and knowledge exchanges pertaining to environmental changes and climate alterations. Join communities that stress sustainability and conservation.
Conscious decisions on reducing your carbon footprint will go a long way in doing your bit to save the environment and reduce global warming. Finding alternatives from private to public transportation, supporting green businesses and purchasing sustainable goods show your involvement in adopting sustainable practices.
To actively participate in obtaining practical solutions, people can think about taking classes or pursuing professions in the fields of sustainable ecology, politics, or similar sectors.
The melting ice sheets of Greenland are a clear sign of how quickly global warming is happening. It has worldwide effects on patterns of weather, rising sea levels, and ecosystems that support millions of people. The value of learning these processes transcends their power to assist youth develop and creating a sustainable future and goes beyond academics. Emphasizing education, support of reforms, and sustainable living will enable this generation to discover the answers to one of our major problems.
References
American Association for the Advancement of Science. (2025). The shrinking of the Greenland ice sheet can’t be stopped – but it can and must be slowed. The Bulletin. https://thebulletin.org/premium/2025-03/the-shrinking-of-the-greenland-ice-sheet-cant-be-stopped-but-it-can-and-must-be-slowed/?utm_source=chatgpt.com
Arctic Institute. (n.d.). Understanding the Arctic’s geopolitical importance. The Arctic Institute. https://www.thearcticinstitute.org/
Associated Press. (2020). Greenland: The future of climate, minerals, and global trade. AP News. https://apnews.com/article/greenland-trump-climate-change-minerals-trade-bab5bb60ba52f6073f056fb271c43215
Borenstein, S. (2024). Greenland losing 30 million tonnes of ice an hour, study reveals. The Guardian. https://www.theguardian.com/environment/2024/jan/17/greenland-losing-30m-tonnes-of-ice-an-hour-study-reveals?utm_source=chatgpt.com
CNN Staff. (2023). Greenland ice sheet melt linked to rising sea levels. CNN. https://edition.cnn.com/2023/07/20/world/greenland-ice-sheet-melt-sea-level-rise-climate/index.html?utm_source=chatgpt.com
Markey, E. J. (n.d.). Impact zones: Greenland. Senator Edward J. Markey. https://www.markey.senate.gov/imo/media/globalwarming/impactzones/greenland.html?utm_source=chatgpt.com
National Aeronautics and Space Administration (NASA). (n.d.). Greenland's rapid melt will mean more flooding. NASA Sea Level. https://sealevel.nasa.gov/news/178/greenlands-rapid-melt-will-mean-more-flooding?utm_source=chatgpt.com
National Aeronautics and Space Administration (NASA). (n.d.). Ice Sheets. NASA Climate Change. https://climate.nasa.gov/vital-signs/ice-sheets/?intent=121
National Aeronautics and Space Administration (NASA). (n.d.). Key indicators: Greenland. NASA Sea Level. https://sealevel.nasa.gov/understanding-sea-level/key-indicators/greenland/?utm_source=chatgpt.com
National Snow and Ice Data Center. (n.d.). NSIDC Home. https://nsidc.org/home
National Oceanic and Atmospheric Administration (NOAA). (2022). Greenland ice sheet: Arctic report card 2022. NOAA Arctic Program. https://arctic.noaa.gov/report-card/report-card-2022/greenland-ice-sheet/?utm_source=chatgpt.com
National Oceanic and Atmospheric Administration (NOAA). (n.d.). Arctic Report Card. NOAA Arctic Program. https://arctic.noaa.gov/report-card/
Nature Climate Change. (2021). The Atlantic Meridional Overturning Circulation: Threats to climate stability. Nature Climate Change Journal. https://www.nature.com/articles/s41558-021-01097-6
Union of Concerned Scientists. (n.d.). Rising seas and coastal risks. Union of Concerned Scientists. https://www.ucs.org/
World Wildlife Fund (WWF). (n.d.). Threats to the Arctic: Climate change. Arctic WWF. https://www.arcticwwf.org/threats/climate-change/?utm_source=chatgpt.com