Scientists issue warning after discovering concerning trend taking place in Arctic: 'The next step is to apply these insights'
An alarming new study warns that disturbing climate markers in the Arctic might become part of the region's permanently altered climate state within 25 years.
Unusual weather recorded in the Arctic may soon become the new normal for the sensitive region, which has been experiencing accelerated warming. The Arctic is warming nearly four times faster than Earth's average, a phenomenon known as "Arctic Amplification."
A recent study cautions that changes observed in the Arctic could reach a critical tipping point by the middle of this century. "In the rapidly warming and wetting Arctic, the time of emergence (ToE) of a new climate state occurs when trends of climate indicators are large enough to surpass the strong natural climate fluctuations in the Arctic," the study published in Nature Briefing: Anthropocene states. "Most regions of the Arctic are close to a new climate state (for temperature and sea ice), with wide-ranging and possibly irreversible consequences for vulnerable Arctic ecosystems and human activities."
"We were excited to see that we were able to estimate ToE in a consistent and robust way. The next step is to apply these insights in society, policy, and ecology," said Richard Bintanja, professor of climate and environmental change at the University of Groningen and co-author of the study, per Earth.com.
The study's scientists analyzed changes in sea ice thickness, freeze and thaw patterns, and changes in temperatures in the Arctic. Thicker ice can be a natural buffer protecting shorelines from erosion by storms that, in many cases, are now supercharged by our warming world. As the Arctic warms, the ice thins, leaving coastal areas that Indigenous groups depend on for catching fish vulnerable.
Accelerated Arctic warming is affecting human health in multiple ways, as wildfires and melting permafrost put regional communities at increased risk.
"Geographic isolation, lack of health infrastructure, and poverty can make healthcare disparities worse between rural and urban Alaskans," according to a report from the Environmental Protection Agency. "Climate change makes these factors worse and can directly affect health through events like floods. Indigenous communities are particularly vulnerable to climate impacts and can face institutional barriers to getting funding and resources to adapt."
Curbing the emissions of heat-trapping gases by transitioning to renewable energy sources will help cool off the planet. A team of scientists from Germany and Korea recently made some promising discoveries that could pave the way for "artificial photosynthesis," a new type of clean energy.
Adding solar panels to your home is a cost-effective way to reduce your environmental footprint. Paired with battery storage, they can also boost your home's resilience to extreme weather. EnergySage provides a free tool to connect you with trusted local installers and help cut costs.
Starting conversations with friends and family about urgent climate issues — such as eye-opening trends in the Arctic — can help raise awareness and inspire action.
Do you think America has a plastic waste problem?
Definitely
Only in some areas
Not really
I'm not sure
Click your choice to see results and speak your mind.
Join our free newsletter for good news and useful tips, and don't miss this cool list of easy ways to help yourself while helping the planet.
Hashtags
Try Our AI Features
Explore what Daily8 AI can do for you:
Comments
No comments yet...
Related Articles
Yahoo
10 hours ago
- Yahoo
Experts celebrate as trail camera captures rare footage of elusive species not seen in decades: 'Such a large and striking animal'
A researcher has made history after securing the first-ever scientific observation of an animal that had eluded scientists for decades. During a six-month expedition on the island of Papua New Guinea, František Vejmělka, a doctoral candidate from the Biology Centre of the Czech Academy of Sciences and the University of South Bohemia, spotted the Mallomys istapantap, also known as the subalpine woolly rat. As IFL Science noted, Vejmělka documented the sighting in a study published in the journal Mammalia According to New Atlas, the woolly rat is one of the largest murine rodents in the world, and the study said it is the largest rodent of the Australian and Oceanian zoogeographic regions. Murine rodents are a large group of "Old World" rats and mice that comprises over 500 species, per Animal Diversity Web. As one of the largest murine rodents, the woolly rat had never been scientifically discovered in the wild since the species was first described in 1989 using a historic specimen from a museum. Vejmělka utilized camera traps and help from indigenous hunters to obtain the rare footage of the woolly rat. "The combination of modern and traditional detection methods enriched by the immense traditional hunting knowledge of Indigenous communities resulted in the first specimen records of this remarkable rodent in over 30 years and the first scientific observations of living animals," the study read, per IFL Science. In a statement, Vejmělka acknowledged the significance of the discovery and the importance of research ventures. "It's astonishing that such a large and striking animal has remained so poorly studied," Vejmělka said. "How much more is there to discover about the biodiversity of tropical mountains?" Thanks to trail cameras, many research expeditions can obtain vital information that not only captures rare sightings but also helps gauge the health and function of secluded ecosystems and habitats. This can go a long way in studying delicate food chains without interfering or interacting with nearby wildlife. Do you think more places of worship should embrace clean energy? Yes — it sets a positive example Only if it saves money No opinion Absolutely not Click your choice to see results and speak your mind. Conservation efforts can significantly impact our well-being by preserving natural resources and promoting healthy ecosystems. Conservationism can also directly benefit human health by ensuring healthy food chains. Join our free newsletter for good news and useful tips, and don't miss this cool list of easy ways to help yourself while helping the planet.
Yahoo
18 hours ago
- Yahoo
Leprosy Was Lurking in The Americas Long Before Colonization, Study Finds
Historians have for a long time believed that leprosy was introduced to the Americas by European settlers, but the latest research offers strong evidence to the contrary – suggesting that Indigenous Americans had already been dying of the disease for centuries. The primary cause of leprosy is a bacterium called Mycobacterium leprae, and the researchers still think this was introduced to America by Europeans. However, it seems a lesser-known culprit was already established by that time. A new study from an international team of researchers found that another bacterium, Mycobacterium lepromatosis – a less common cause of leprosy infection – was present in the DNA of ancient human remains from Canada and Argentina dating back at least a thousand years. "This discovery transforms our understanding of the history of leprosy in America," says genomicist Maria Lopopolo, from the Institut Pasteur in France. "It shows that a form of the disease was already endemic among Indigenous populations well before the Europeans arrived." The M. lepromatosis bacteria was first discovered in a patient in the US in 2008, and since then it's also been found in red squirrels (Sciurus vulgaris) in the UK. It may well have spread from the US to the UK in the 19th century, the researchers suggest. In partnership with local Indigenous communities in terms of handling ancestral remains, the researchers analyzed the DNA from a total of 389 ancient and 408 modern human samples. From the results, they put together a genetic family tree of leprosy bacteria. Even though they were thousands of kilometers apart, the ancient Canadian and Argentinian samples were remarkably genetically similar. That points to a rapid spread of M. lepromatosis across the American continents. Based on the timeline put together from the DNA, the different strains of M. lepromatosis would have split from a common ancestor more than 9,000 years ago. With that many millennia of evolution under its belt, the team says there are likely even more diverse forms of the bacteria still waiting to be discovered in the Americas. "We are just beginning to uncover the diversity and global movements of this recently identified pathogen," says biologist Nicolás Rascovan, from the Institut Pasteur. "The study allows us to hypothesize that there might be unknown animal reservoirs." This all adds a valuable extra layer to our understanding of the history of the Americas, and of leprosy. It gives researchers some incredibly useful data points in terms of the progression and diversification of the disease. Infectious diseases play an important part in the story of North, South, and Central America, with the arrival of Europeans introducing a host of new pathogens that Indigenous communities weren't biologically prepared for. Now we know that the leprosy part of the picture is a lot more complicated than we previously realized. Around 200,000 new cases of the disease are reported worldwide every year, though it can now be treated and cured with modern drugs. "This study clearly illustrates how ancient and modern DNA can rewrite the history of a human pathogen and help us better understand the epidemiology of contemporary infectious diseases," says Rascovan. The research has been published in Science. Does Retinol Reverse Signs of Aging? Here's The Science. Meditation And Mindfulness Have a Dark Side We Often Overlook A Specific Kind of Birth Control May Increase Stroke Risk
Yahoo
18 hours ago
- Yahoo
Scientists Uncover DNA Puzzle: 6,000-Year-Old Remains Reveal Mysterious Ancestors
Archaeologists working in Colombia's Bogotá Altiplano recently uncovered ancient human remains that have left scientists puzzled. Genetic analysis of the 6,000-year-old skeletons revealed DNA with no direct connection to any known ancient or modern populations in South America, a finding that upends previous assumptions about regional ancestry. The team, whose study was published in Science Advances, analyzed both mitochondrial and genome-wide data from 21 ancient individuals who lived in the region between 6,000 and 500 years ago. The results show a striking lack of continuity with known Indigenous populations in Colombia. Instead, the genetic evidence suggests a closer, though still tenuous, link to Chibchan-speaking groups from the Isthmus of Panama. However, this connection remains incomplete and raises more questions than answers. Around 6,000 years ago, these hunter-gatherers transitioned to agriculture and settled in the Bogotá Altiplano. Then, they mysteriously vanished from the genetic record. Unlike the Anzick-1 child of the Clovis culture or ancient Channel Islands residents whose DNA traces through modern populations, these ancient Colombians stand alone, without clear descendants. Why these people's DNA doesn't align with others is still uncertain. One theory suggests that as these groups migrated and mingled with others, their genetic markers diluted over time. Another possibility is that they represent a unique, now-extinct lineage. 'This area has long been a crossroads of culture and language, where ancient people from Central and South America converged,' the researchers noted. 'Understanding their history may illuminate broader patterns of human migration across the continent.' Further research in neighboring areas, like western Colombia, Venezuela, and Ecuador, is planned to fill the gaps. For now, these ancient Colombians remain a genetic mystery, hinting at forgotten migrations and lost connections that shaped the Uncover DNA Puzzle: 6,000-Year-Old Remains Reveal Mysterious Ancestors first appeared on Men's Journal on Jun 3, 2025
