Whispering Earth

The Arctic’s Rusting Rivers: Why Climate Change Is Turning Streams Orange Photo: Josh Koch, U.S. Geological Survey (Public Domain) In some remote parts of Arctic Alaska , rivers that once ran clear are now turning a surprising shade of orange. At first, the color looks almost unreal, as if something toxic has spilled into the water. But many of these streams are far away from cities, factories, or mining sites. That is what makes this change so striking. Scientists say the cause is not ordinary pollution — it is closely linked to climate change . The story begins with permafrost , the layer of ground that stays frozen for years. Across much of the Arctic, permafrost has acted like a natural seal, locking water, minerals, and old organic material beneath the surface. For a long time, those buried materials stayed frozen and mostly undisturbed. But now, as Arctic temperatures rise faster than in many other parts of the world, that frozen ground is starting to thaw. When permafrost mel...

Source: Aerosol and Air Quality Research article page image (shows fibers with a scale bar). License: Creative Commons Attribution (CC BY 4.0) , 1) Microplastics in the air: what are we talking about? Microplastics are plastic fragments and fibers typically smaller than 5 mm . In air, the most common forms are tiny fibers (from textiles) and irregular fragments (from wear-and-tear) . They can float in outdoor air, but many studies find indoor air and house dust can be especially important because we spend most of our time inside. 2) Where airborne microplastics come from Airborne microplastics are usually “made” by friction and shedding: Clothing and home textiles (synthetic fibers released during wearing, drying, and movement) Furniture and carpets (fiber shedding into dust) Paints and coatings (tiny flakes over time) Outdoor sources like tire/road wear , packaging debris, and construction dust that can enter buildings via ventilation or open windows 3) The ...

  Microplastics Found in Human Blood: What New Studies Reveal AI simulation of Microplastics under a microscope  Credit: Azhar Aman Microplastics have long been recognized as one of the world’s most widespread pollutants, but recent scientific studies have revealed something even more concerning: these tiny plastic particles are now being found inside human blood. This discovery marks a major shift in our understanding of plastic exposure. Instead of remaining only in the environment, microplastics are entering the human body, circulating through the bloodstream, and potentially interacting with organs and cells. These findings raise significant questions about long-term health effects, possible biological responses, and how deeply plastic contamination has infiltrated human life. Credit: Azhar Aman Microplastics are fragments smaller than 5 millimeters, created either through the breakdown of larger plastics or produced intentionally at small sizes. They are pres...