Pollution

High Levels of Prenatal Air Pollution Exposure and Stress Increase Childhood Asthma Risk
May 22, 2017 02:28 PM - American Thoracic Society

A new study has found that children, especially boys, whose mothers were exposed to higher levels of outdoor particulate air pollution at the same time that they were very stressed were most likely to develop asthma by age six. The study was presented at the 2017 American Thoracic Society International Conference. 

The team, led by senior investigator Rosalind Wright, MD, MPH, co-director of the Institute for Exposomics Research at the Icahn School of Medicine at Mount Sinai, conducted this study because of their overarching interest in understanding how these and other environmental factors interact to produce respiratory health disparities.

High Levels of Prenatal Air Pollution Exposure and Stress Increase Childhood Asthma Risk
May 22, 2017 02:28 PM - American Thoracic Society

A new study has found that children, especially boys, whose mothers were exposed to higher levels of outdoor particulate air pollution at the same time that they were very stressed were most likely to develop asthma by age six. The study was presented at the 2017 American Thoracic Society International Conference. 

The team, led by senior investigator Rosalind Wright, MD, MPH, co-director of the Institute for Exposomics Research at the Icahn School of Medicine at Mount Sinai, conducted this study because of their overarching interest in understanding how these and other environmental factors interact to produce respiratory health disparities.

Reduced U.S. Air Pollution Will Boost Rainfall in Africa's Sahel, Says Study
May 22, 2017 02:13 PM - The Earth Institute at Columbia University

Falling sulfur dioxide emissions in the United States are expected to substantially increase rainfall in Africa’s semi-arid Sahel, while bringing slightly more rain to much of the U.S., according to a new study in the Journal of Geophysical Research: Atmospheres.

Pollution filters placed on coal-fired power plants in the United States starting in the 1970s have dramatically cut emissions of sulfur dioxide, a toxic gas that contributes to acid rain and premature deaths from respiratory and cardiovascular diseases. If U.S. sulfur dioxide emissions are cut to zero by 2100, as some researchers have projected, rainfall over the Sahel could increase up to 10 percent from 2000 levels, computer simulations published in the study suggest.

Smoke from Wildfires Can Have Lasting Climate Impact
May 22, 2017 02:08 PM - Georgia Institute of Technology

The wildfire that has raged across more than 150,000 acres of the Okefenokee Swamp in Georgia and Florida has sent smoke billowing into the sky as far as the eye can see. Now, new research published by the Georgia Institute of Technology shows how that smoke could impact the atmosphere and climate much more than previously thought.

Researchers have found that carbon particles released into the air from burning trees and other organic matter are much more likely than previously thought to travel to the upper levels of the atmosphere, where they can interfere with rays from the sun – sometimes cooling the air and at other times warming it.

Smoke from Wildfires Can Have Lasting Climate Impact
May 22, 2017 02:08 PM - Georgia Institute of Technology

The wildfire that has raged across more than 150,000 acres of the Okefenokee Swamp in Georgia and Florida has sent smoke billowing into the sky as far as the eye can see. Now, new research published by the Georgia Institute of Technology shows how that smoke could impact the atmosphere and climate much more than previously thought.

Researchers have found that carbon particles released into the air from burning trees and other organic matter are much more likely than previously thought to travel to the upper levels of the atmosphere, where they can interfere with rays from the sun – sometimes cooling the air and at other times warming it.

Researchers find computer code that Volkswagen used to cheat emissions tests
May 22, 2017 02:02 PM - University of California - San Diego

An international team of researchers has uncovered the mechanism that allowed Volkswagen to circumvent U.S. and European emission tests over at least six years before the Environmental Protection Agency put the company on notice in 2015 for violating the Clean Air Act. During a year-long investigation, researchers found code that allowed a car’s onboard computer to determine that the vehicle was undergoing an emissions test. The computer then activated the car’s emission-curbing systems, reducing the amount of pollutants emitted. Once the computer determined that the test was over, these systems were deactivated.

Air Pollution May Disrupt Sleep
May 22, 2017 09:58 AM - American Thoracic Society

High levels of air pollution over time may get in the way of a good night’s sleep, according to new research presented at the ATS 2017 International Conference.

“Prior studies have shown that air pollution impacts heart health and affects breathing and lung function, but less is known about whether air pollution affects sleep,” said lead author Martha E. Billings, MD, MSc, assistant professor of medicine at the University of Washington. “We thought an effect was likely given that air pollution causes upper airway irritation, swelling and congestion, and may also affect the central nervous system and brain areas that control breathing patterns and sleep.”

Air Pollution May Disrupt Sleep
May 22, 2017 09:58 AM - American Thoracic Society

High levels of air pollution over time may get in the way of a good night’s sleep, according to new research presented at the ATS 2017 International Conference.

“Prior studies have shown that air pollution impacts heart health and affects breathing and lung function, but less is known about whether air pollution affects sleep,” said lead author Martha E. Billings, MD, MSc, assistant professor of medicine at the University of Washington. “We thought an effect was likely given that air pollution causes upper airway irritation, swelling and congestion, and may also affect the central nervous system and brain areas that control breathing patterns and sleep.”

Modern pollutants can reach deep fossil aquifers
May 19, 2017 10:49 AM - , SciDevNet

Contemporary pollutants can reach deep wells that tap fossil aquifers, says a study by an international team of researchers.

Modern pollutants can reach deep fossil aquifers
May 19, 2017 10:49 AM - , SciDevNet

Contemporary pollutants can reach deep wells that tap fossil aquifers, says a study by an international team of researchers.

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