Jen Halligan

A comprehensive environmental study led by researchers at Stockholm University warns that rainwater across every geographic region of Earth is now heavily contaminated with toxic synthetic pollutants. Analytical testing reveals that global precipitation consistently contains per- and polyfluoroalkyl substances (PFAS) at concentration levels that vastly exceed the lifetime drinking water health advisories established by major global regulatory agencies. Commonly referred to as "forever chemicals" due to the exceptionally strong carbon-fluorine bonds that make them virtually immune to natural environmental degradation, these substances have integrated entirely into the Earth's hydrologic cycle. Because they cycle continuously between the oceans and the atmosphere via marine aerosols, they have successfully contaminated even the most isolated locations on the planet, including the remote ice sheets of Antarctica and the high-altitude Tibetan Plateau. This global saturation means that untreated rainwater everywhere on Earth is now unsafe for human consumption. For decades, industrial manufacturing sectors have used PFAS compounds extensively to produce everyday consumer goods, including nonstick cookware, stain-resistant fabrics, waterproof outerwear, and specialized aqueous film-forming firefighting foams. Over time, these chemicals leached out of landfills and industrial wastewater streams, permanently infiltrating primary aquatic systems and cycling upward into the upper atmosphere. Biomedical research has definitively linked chronic exposure to these persistent pollutants with a wide array of severe, long-term health anomalies. These risks include the development of specific malignancies, compromised immune function, decreased fertility rates, elevated cholesterol, and notable developmental delays in children. As international regulatory bodies actively work to lower permissible drinking water thresholds, environmental health experts warn that humanity has crossed a critical planetary boundary. Because these persistent chemicals are already distributed globally throughout the atmosphere and water cycles, reversing this widespread contamination is practically impossible using current remediation technologies. [Cousins, I. T., Johansson, J. H., Salter, M. E., Sha, B., & Scheringer, M. (2022). Outside the safe operating space of a new planetary boundary for per- and polyfluoroalkyl substances (PFAS). Environmental Science & Technology, 56(16), 11172-11179]

The U.S. Forest Service is spraying glyphosate (Roundup) across tens of thousands of acres of national forests this spring to support commercial timber production. Following wildfires, forests naturally regenerate with diverse shrubs, wildflowers, and wildlife. However, a recent investigation reveals that the Forest Service and private logging companies are routinely applying the herbicide to eliminate competing native vegetation, favoring commercially valuable species such as Douglas fir and sugar pine. This practice has created large areas with significantly reduced biodiversity, often described as "dead zones", where insect, bird, and plant populations have sharply declined. Glyphosate, classified by the World Health Organization as a probable human carcinogen, has seen its use in California national forests quintuple over the past two decades, reaching a record 266,000 pounds in 2023. Local communities, environmental groups, and residents are raising concerns about potential impacts on water quality, endangered species (including salmon and rare foxes), and public health. Critics argue that prioritizing industrial timber production over ecological diversity conflicts with the broader mission of national forests as public lands. The issue has intensified debates over forest management, balancing economic interests with long-term environmental and community health.

We need more inventions like this

He noticed a wild frog living in his fence post, so he built a 3D-printed home for the frogs to live and hide. [📹unknowndazza]

LEDs are more energy-efficient, yet they also pose a threat to human health. For the past two decades the global shift toward energy-efficient light-emitting diodes has drastically altered how we light our homes and offices. While highly beneficial for reducing electricity bills, these lights emit a narrow spectrum dominated by short blue wavelengths and entirely lack the long-wavelength red and infrared light found in natural sunlight and older incandescent bulbs. Emerging research led by Professor Glen Jeffery at University College London shows that our cells’ powerhouses, the mitochondria, rely on these missing red wavelengths to function. Without them, mitochondrial respiration is suppressed, leading to systemic infrared starvation that can disrupt cellular energy production, cause chronic inflammation, and accelerate aging. This lack of natural spectrum light is more than a matter of eye strain; it has deep metabolic consequences. Studies show that exposing the body to specific red and near-infrared light stimulates mitochondria to consume more glucose and oxygen, dramatically reducing blood glucose spikes and regulating insulin levels. Conversely, prolonged indoor exposure to red-deficient, blue-heavy LEDs is linked to metabolic dysfunction and cellular degeneration, contributing directly to chronic conditions such as type 2 diabetes, cognitive decline, and vision loss. As public health researchers warn of this modern environmental hazard, experts suggest reintroducing balanced full-spectrum lighting or simple red-light exposure to help restore our natural metabolic rhythms and protect long-term health. [Barrett, E. M., & Jeffery, G. (2026). LED lighting (350-650nm) undermines human visual performance unless supplemented by wider spectra (400-1500nm+) like daylight. Scientific Reports, 16(1), 3061. DOI: 10.1038/s41598-026-35389-6]