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October 18, 2020

Top Headlines

Unexpected Wildfire Emission Impacts Air Quality Worldwide

During wildfires, nitrous acid plays a leading role -- spiking to levels significantly higher than scientists expected, driving increased ozone pollution and harming air quality, according to a new ...

Exploding Stars May Have Caused Mass Extinction on Earth, Study Shows

Killer cosmic rays from nearby supernovae could be the culprit behind at least one mass extinction event, researchers said, and finding certain radioactive isotopes in Earth's rock record could ...

Geoengineering Is Just a Partial Solution to Fight Climate Change

Could we create massive sulfuric acid clouds that limit global warming and help meet the 2015 Paris international climate goals, while reducing unintended impacts? Yes, in theory, according to a new ...

Removing Toxic Chemicals from Water: New Environmentally-Friendly Method

Researchers have developed a new environmentally friendly method for removing toxic chemicals from water. A newly invented machine, called the Matrix Assembly Cluster Source (MACS), has been used to ...
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Climate Pledges 'Like Tackling COVID-19 Without Social Distancing'

Current global pledges to tackle climate change are the equivalent of declaring a pandemic without a plan for social distancing, researchers ...

Detecting Soil-Surface Ozone Early Can Help Prevent Damage to Grapes and Apples

Farmers and fruit growers report that climate change is leading to increased ozone concentrations on the soil surface in their fields and orchards, which can cause irreversible plant damage, reduce ...

Lockdown Saw Modest Drop in China Air Pollution, Study Finds

Large improvements of air quality in China during the COVID-19 lockdown have been widely reported, but new research reveals that the two pollutants most harmful to human health, fine particulate ...

Emissions of Several Ozone-Depleting Chemicals Are Larger Than Expected

Researchers have found that much of the current emission of these gases likely stems from large CFC 'banks' -- old equipment such as building insulation foam, refrigerators and cooling ...

Can Poor Air Quality Make You Gain Weight?

A new study links air pollution to changes in the human gut microbiome which could fuel diabetes, obesity and inflammatory bowel diseases like colitis and Crohn's ...

Treating Wastewater With Ozone Could Convert Pharmaceuticals Into Toxic Compounds

With water scarcity intensifying, wastewater treatment and reuse are gaining popularity. But some methods for killing microbes in wastewater create disinfection byproducts (DBPs) that could be ...

All Things Considered, Wooden Pallets Are More Eco-Friendly Than Plastic Pallets

Weighing in on a debate that has raged for decades, researchers, after conducting a series of ultra-detailed comparisons, have declared that shipping pallets made of wood are slightly more ...

Another Reason to Reduce Human-Made Ozone: To Cool a Warming Planet

Researchers highlight the importance of a new analysis based on Earth system modelling, showing that cleaning up ozone precursors within specific economic sectors can increase the mitigation ...

Cutting Road Transport Pollution Could Help Plants Grow

Cutting emissions of particular gases could improve conditions for plants, allowing them to grow faster and capture more carbon, new research ...

Despite Less Ozone Pollution, Not All Plants Benefit

Policies and new technologies have reduced emissions of precursor gases that lead to ozone air pollution, but despite those improvements, the amount of ozone that plants are taking in has not ...

Brazilian Wildfire Pollution Worsens Air Quality in Distant Cities

Wildfires in south eastern Brazil produce airborne pollution that worsens air quality in major cities such as Sao Paulo -- cancelling out efforts to improve the urban environment and posing health ...

Iodine May Slow Ozone Layer Recovery

Air pollution and iodine from the ocean contribute to damage of Earth's ozone ...

Shutdown of Coal-Fired Plants in US Saves Lives and Improves Crop Yields

The decommissioning of coal-fired power plants in the continental United States has reduced nearby pollution and its negative impacts on human health and crop yields, according to a new ...

Planetary Boundaries: Interactions in Earth System Amplify Human Impacts

Transgressing one planetary boundary can amplify human impacts on another one. For the first time, an international team of scientists now quantified some of the planetary-scale interactions in the ...

Nitrous Oxide, a Greenhouse Gas, Is on the Rise

A new study from an international group of scientists finds we are releasing more of the greenhouse gas nitrous oxide into the atmosphere than previously ...

New AI Deep Learning Model Allows Earlier, More Accurate Ozone Warnings

Researchers have developed an artificial intelligence-based ozone forecasting system, which would allow local areas to predict ozone levels 24 hours in ...

Energy Regulation Rollbacks Threaten Progress Against Harmful Ozone

The fight against harmful ozone is under legal threat. Air quality and carbon emissions regulations are currently in limbo in courts and congress, from core legislation from the 1970s to rules from ...

How Much Are You Polluting Your Office Air Just by Existing?

Could your basic acts of existence be polluting the air in the office room where you work? To find out, a team of engineers has been conducting one of the largest studies of its ...

Rising Ozone Is a Hidden Threat to Corn

By exposing a genetically diverse group of corn plants in the field to future ozone levels, researchers discovered hidden ...

Emissions from Cannabis Growing Facilities May Impact Indoor and Regional Air Quality

Scientists have studied air quality inside of four cannabis growing facilities in Nevada and California. They recorded high levels of BVOCs (biogenic volatile organic compounds) and butane inside ...

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