Air Quality News

September 22, 2025

Top Headlines

Wildfire Smoke Could Kill 70,000 Americans a Year by 2050

Sep. 19, 2025 — Wildfires are no longer a seasonal nuisance but a deadly, nationwide health crisis. Fueled by climate change, smoke is spreading farther and lingering longer, with new research warning of tens of thousands of additional deaths annually by ...

Why Alaska’s Salmon Streams Are Suddenly Bleeding Orange

Sep. 18, 2025 — Warming Arctic permafrost is unlocking toxic metals, turning Alaska’s once-clear rivers into orange, acid-laced streams. The shift, eerily similar to mine pollution but entirely natural, threatens fish, ecosystems, and communities that depend on ...

Soil Warming Experiments Challenge Assumptions About Climate Change

Sep. 17, 2025 — Heating alone won’t drive soil microbes to release more carbon dioxide — they need added carbon and nutrients to thrive. This finding challenges assumptions about how climate warming influences soil ...

Rapid Rocket Growth Raises Alarm over Earth’s Fragile Ozone Layer

Sep. 15, 2025 — The booming space industry has filled the skies with rockets and satellites, but this rapid expansion comes with a hidden danger: slowing the recovery of the ozone layer. Rocket launches and burning space debris release chlorine, soot, and metals ...

Scientists Finally Solve the Mystery of Ghostly Halos on the Ocean Floor

Sep. 10, 2025 — Barrels dumped off Southern California decades ago have been found leaking alkaline waste, not just DDT, leaving behind eerie white halos and transforming parts of the seafloor into toxic vents. The findings reveal a persistent and little-known ...

Scientists Made Plastic That Eats Carbon

Sep. 5, 2025 — A team of chemists has discovered how to transform PET plastic waste into BAETA, a material that captures CO2 with remarkable efficiency. Instead of ending up as microplastics in the environment, discarded bottles and textiles could become tools to ...

A Simple Metal Could Solve the World’s Plastic Recycling Problem

Sep. 3, 2025 — Scientists at Northwestern University have developed a groundbreaking nickel-based catalyst that could transform the way the world recycles plastic. Instead of requiring tedious sorting, the catalyst selectively breaks down stubborn polyolefin ...

Central Asia’s Last Stable Glaciers Just Started to Collapse

Sep. 3, 2025 — Snowfall shortages are now destabilizing some of the world’s last resilient glaciers, as shown by a new study in Tajikistan’s Pamir Mountains. Using a monitoring station on Kyzylsu Glacier, researchers discovered that stability ended around ...

Ozone Recovery Could Trigger 40% More Global Warming Than Predicted

Aug. 22, 2025 — As the ozone layer recovers, it’s also intensifying global warming. Researchers predict that by 2050, ozone will rank just behind carbon dioxide as a driver of heating, offsetting many of the benefits from banning ...

Scientists Just Found a Hidden Factor Behind Earth’s Methane Surge

Aug. 17, 2025 — Roughly two-thirds of all atmospheric methane, a potent greenhouse gas, comes from methanogens. Tracking down which methanogens in which environment produce methane with a specific isotope signature is difficult, however. UC Berkeley researchers ...

The Surprising Way Rising CO2 Could Supercharge Space Storms

Aug. 17, 2025 — Rising CO₂ levels will make the upper atmosphere colder and thinner, altering how geomagnetic storms impact satellites. Future storms could cause sharper density spikes despite lower overall density, increasing drag-related ...

Is the Air You Breathe Silently Fueling Dementia? a 29-million-person Study Says Yes

July 27, 2025 — Air pollution isn't just bad for your lungs—it may be eroding your brain. In a sweeping review covering nearly 30 million people, researchers found that common pollutants like PM2.5, nitrogen ...

Latest Headlines

updated 12:03pm EDT

Scientists Recreate Life’s First Step: Linking Amino Acids to RNA

Aug. 28, 2025 — Researchers demonstrated how amino acids could spontaneously attach to RNA under early Earth-like conditions using thioesters, providing a long-sought clue to the origins of protein synthesis. This ...

Scientists Modeled Nuclear Winter—the Global Food Collapse Was Worse Than Expected

July 26, 2025 — What would happen if a nuclear war triggered a climate-altering catastrophe? Researchers have modeled how such a scenario could devastate global corn ...

Concrete That Lasts Centuries and Captures Carbon? AI Just Made It Possible

July 23, 2025 — Imagine concrete that not only survives wildfires and extreme weather, but heals itself and absorbs carbon from the air. Scientists at USC have created an AI model called Allegro-FM that simulates ...

These Dogs Are Trained to Sniff out an Invasive Insect—and They're Shockingly Good at It

July 17, 2025 — Dogs trained by everyday pet owners are proving to be surprisingly powerful allies in the fight against the invasive spotted lanternfly. In a ...

Frozen for 12,000 Years, This Alpine Ice Core Captures the Rise of Civilization

July 16, 2025 — An ancient glacier high in the French Alps has revealed the oldest known ice in Western Europe—dating back over 12,000 years to the last Ice Age. ...

Why America’s Still Freezing — Even as the World Heats Up

July 12, 2025 — Even in a warming climate, brutal cold snaps still hammer parts of the U.S., and a new study uncovers why. High above the Arctic, two distinct polar vortex patterns — both distorted and displaced ...

Even Low Levels of Air Pollution May Quietly Scar Your Heart, MRI Study Finds

July 3, 2025 — Breathing polluted air—even at levels considered “safe”—may quietly damage your heart. A new study using advanced MRI scans found that people ...

Fire Smoke Exposure Leaves Toxic Metals and Lasting Immune Changes

June 30, 2025 — Smoke from wildfires and structural fires doesn t just irritate lungs it actually changes your immune system. Harvard scientists found that even healthy people exposed to smoke showed signs of immune ...

Fighting Fire With Fire: How Prescribed Burns Reduce Wildfire Damage and Pollution

June 30, 2025 — Wildfires are becoming more intense and dangerous, but a new Stanford-led study offers hope: prescribed burns—intentionally set, controlled ...

New Orleans Is Sinking—and So Are Its $15 Billion Flood Defenses

June 28, 2025 — Parts of New Orleans are sinking at alarming rates — including some of the very floodwalls built to protect it. A new satellite-based study finds that some areas are losing nearly two inches of ...

This Breakthrough Turns Old Tech Into Pure Gold — No Mercury, No Cyanide, Just Light and Salt

June 27, 2025 — At Flinders University, scientists have cracked a cleaner and greener way to extract gold—not just from ore, but also from our mounting piles of e-waste. By using a compound normally found in pool ...

Ancient Carbon ‘burps’ Caused Ocean Oxygen Crashes — and We’re Repeating the Mistake

June 24, 2025 — Over 300 million years ago, Earth experienced powerful bursts of carbon dioxide from natural sources—like massive volcanic eruptions—that triggered dramatic drops in ocean oxygen levels. These ...

Rice University Breakthrough Keeps CO₂ Electrolyzers Running 50x Longer

June 22, 2025 — A Rice University team discovered that bubbling CO₂ through a mild acid dramatically improves the lifespan and efficiency of electrochemical devices that convert CO₂ into useful fuels. This ...

Forever Chemicals' Toxic Cousin: MCCPs Detected in U. S. Air for First Time

June 17, 2025 — In a surprising twist during an air quality study in Oklahoma, researchers detected MCCPs an industrial pollutant never before measured in the Western Hemisphere's atmosphere. The team suspects ...

Atmospheric Chemistry Keeps Pollutants in the Air

June 3, 2025 — A new study details processes that keep pollutants aloft despite a drop in ...

Air-Quality Monitoring Underestimates Toxic Emissions to Salton Sea Communities, Study Finds

June 2, 2025 — Researchers showed that hydrogen sulfide, which is associated with numerous health conditions, is emitted from California's largest lake at levels far higher and more frequently than previously ...

Rising Soil Nitrous Acid Emissions, Driven by Climate Change and Fertilization, Accelerate Global Ozone Pollution

May 30, 2025 — Ozone pollution is a global environmental concern that not only threatens human health and crop production, but also worsens global warming. While the formation of ozone is often attributed to ...

2021's Hurricane Ida Could Have Been Even Worse for NYC

May 29, 2025 — Hurricane Ida wreaked an estimated $75 billion in total damages and was responsible for 112 fatalities -- including 32 in New Jersey and 16 in New York state. Yet the hurricane could have been even ...

Rock Record Illuminates Oxygen History

May 29, 2025 — A new study reveals that the aerobic nitrogen cycle in the ocean may have occurred about 100 million years before oxygen began to significantly accumulate in the atmosphere, based on nitrogen isotope ...

Does Planting Trees Really Help Cool the Planet?

May 29, 2025 — Replanting forests can help cool the planet even more than some scientists once believed, especially in the tropics. But even if every tree lost since the mid-19th century is replanted, the total ...

Portable Sensor Enables Community Lead Detection in Tap Water

May 29, 2025 — Lead contamination in municipal water sources is a consistent threat to public health. Ingesting even tiny amounts of lead can harm the human brain and nervous system -- especially in young children. ...

Does Outdoor Air Pollution Affect Indoor Air Quality? It Could Depend on Buildings' HVAC

May 29, 2025 — Researchers determined how much outdoor particulate pollution affects indoor air quality. Their study concluded pollution from inversion and dust events is kept out of buildings, but wildfire smoke ...

New Study Analyzes Air Quality Impacts of Wildfire Smoke

May 27, 2025 — With wildfires increasing in frequency, severity, and size in the Western U.S., researchers are determined to better understand how smoke impacts air quality, public health, and even the weather. As ...

Rapid Simulations of Toxic Particles Could Aid Air Pollution Fight

May 27, 2025 — A pioneering method to simulate how microscopic particles move through the air could boost efforts to combat air pollution, a study ...

Cryo-Em Freezes the Funk: How Scientists Visualized a Pungent Protein

May 27, 2025 — Most people have witnessed -- or rather smelled -- when a protein enzyme called sulfite reductase works its magic. This enzyme catalyzes the chemical reduction of sulfite to hydrogen sulfide. ...

Climate Change May Make It Harder to Reduce Smog in Some Regions

May 22, 2025 — A modeling study shows that global warming will make it harder to reduce ground-level ozone, a respiratory irritant that is a key component of smog, by cutting greenhouse gas ...

Personal Space Chemistry Suppressed by Perfume and Body Lotion Indoors

May 21, 2025 — In 2022 a team discovered that high levels of OH radicals can be generated indoors, simply due to the presence of people and ozone. This means: People generate their own oxidation field and change ...

Scientists Invent Breakthrough Device to Detect Airborne Signs of Disease

May 21, 2025 — If you've ever sat waiting at the doctor's office to give a blood sample, you might have wished there was a way to find the same information without needles. But for all the medical ...

May 21, 2025 — Hurricane winds are a major contributor to storm-related losses for people living in the southeastern coastal states. As the global temperature continues to rise, scientists predict that hurricanes ...

Fool's Gold: A Hidden Climate Stabilizer

May 21, 2025 — Researchers look to extremes in the past to study how the system reacts to imbalances. They detail an overlooked mechanism for how the ocean can help stabilize massive releases of carbon into the ...