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  • Exposure to toxins in e-cig vapor varies depending on scenario

    E-cigarettes are often perceived to be less harmful than their traditional counterparts, but they could still expose the people who “vape” and those around them to harmful compounds. Researchers now report in ACS’ journal Environmental Science & Technology that heavy use and secondhand emissions could lead to inhaled levels of toxins that exceed set exposure limits. But under typical use, secondhand exposure would have a lower impact on health than second- and third-hand cigarette smoke.

    >> Read the Full Article
  • Cooking up new ways to clean up our planet

    In a win-win for a cleaner planet, scientists have devised a way to use waste cooking oil and sulphur to extract the neurotoxin mercury from the environment.

    For the first time, researchers have demonstrated that the dynamic new canola oil polymer can trap the most dangerous and common types of mercury pollution – mercury metal, mercury vapour and highly toxic organo-mercury compounds which harm both aquatic and terrestrial systems.

    >> Read the Full Article
  • Virginia Tech researchers discover potentially harmful airborne nanoparticles produced through burning of coal

    Environmental scientists led by the Virginia Tech College of Science have discovered that the burning of coal produces incredibly small particles of a highly unusual form of titanium oxide.

    >> Read the Full Article
  • The Nitrogen Problem: Why Global Warming Is Making It Worse

    It is a painful lesson of our time that the things we depend on to make our lives more comfortable can also kill us. Our addiction to fossils fuels is the obvious example, as we come to terms with the slow-motion catastrophe of climate change. But we are addicted to nitrogen, too, in the fertilizers that feed us, and it now appears that the combination of climate change and nitrogen pollution is multiplying the possibilities for wrecking the world around us.

    >> Read the Full Article
  • Study finds that Choice of Cool Roofing Materials can Potentially Impact Region's Air Pollution

    In a groundbreaking study released today, scientists at the South Coast Air Quality Management District and the University of Southern California have found that widespread installation of certain “cool roof” materials in the region could slightly increase ozone and fine particulate pollution levels.

    >> Read the Full Article
  • Every breath you take: Air pollution from idling cars puts kids at risk

    Drivers who drop off their kids at school should turn off their engines

    We think of schools as safe places for children but an invisible hazard is lurking right outside the front door,  says a new study from the University of Toronto.

    >> Read the Full Article
  • Benefits of Advanced Wood-Burning Stoves Greater Than Thought

    A recent study from North Carolina State University finds that advanced wood-burning stoves designed for use in the developing world can reduce air pollution more than anticipated, because gaseous emissions from traditional wood stoves form more particulate matter in the atmosphere than researchers previously thought.

    >> Read the Full Article
  • U.S. EPA Releasing Smog Rule

    Faced with a lawsuit by 15 states, the U.S. Environmental Protection Agency announced this week it would no longer delay the implementation of a rule requiring states to reduce emissions of smog-creating air pollution. 

    Crafted by the Obama administration in 2015, the regulation calls for states to begin meeting stricter ozone standards as of October 1, 2017, lowering the air pollution limit from 0.075 parts per million to 0.070 ppm.  Ground-level ozone, or smog, is created when pollutants from cars, power plants, and other common industrial activities react with sunlight.  It can cause respiratory and other health problems.  In June, U.S. EPA head Scott Pruitt announced the agency would delay implementation of the new standards by one year.

    >> Read the Full Article
  • Where there's fire, there's smoke – and social media

    When people see smoke on the horizon, what do they do? Besides (hopefully) calling fire authorities, they post to social media, of course.

    The fact that people reliably flock to social media to discuss smoke and fire was the inspiration for a new study by Colorado State University atmospheric scientists. Driven to innovate ways to improve the air we breathe, the scientists have shown that social media, Facebook in this case, could prove a powerful tool.

    >> Read the Full Article
  • New dust sources resulting from a shrinking Salton Sea have negative ecological and health impacts

    Scientists at the University of California, Riverside investigating the composition of particulate matter(PM) and its sources at the Salton Sea have found that this shrinking lake in Southern California is exposing large areas of dry lakebed, called playa, that are acting as new dust sources with the potential to impact human health.

    “Playas have a high potential to act as dust sources because playa surfaces often lack vegetation,” said Roya Bahreini, an associate professor of environmental sciences, who led the research project. “Dust emissions from playas increase airborne PM mass, which has been linked to cardiovascular disease, respiratory disease, and mortality.”

    >> Read the Full Article

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