How do Air Pollution and Noise from Road Traffic affect High Blood Pressure in Western Europe?

Long-term exposure to ambient air pollution and traffic noise and incident hypertension in seven cohorts of the European study of cohorts for air pollution effects (ESCAPE) (Abstract, Kateryna B Fuks, Gudrun Weinmayr, Xavier Basagaña, Olena Gruzieva, Regina Hampel, Bente Oftedal, Mette Sørensen, Kathrin Wolf, Geir Aamodt, Gunn Marit Aasvang, Inmaculada Aguilera, Thomas Becker, Rob Beelen, Bert Brunekreef, Barbara Caracciolo, Josef Cyrys, Roberto Elosua, Kirsten Thorup Eriksen, Maria Foraster, Laura Fratiglioni, Agneta Hilding, Danny Houthuijs, Michal Korek, Nino Künzli, Jaume Marrugat, Mark Nieuwenhuijsen, Claes-Göran Östenson, Johanna Penell, Göran Pershagen, Ole Raaschou-Nielsen, Wim Swart Jr, Annette Peters, Barbara Hoffmann, European Heart Journal, Oct. 24, 2016)

Also discussed here:  World’s largest study shows effects of long-term exposure to air pollution and traffic noise on blood pressure (ScienceDaily, Oct. 25, 2016)

Today we review research based on the effects of traffic –related air pollution and noise in five countries for 5-9 years. Results indicate that the risk of high blood pressure or hypertension increased by 20%  for those who live in more polluted areas (for every increase of 5 µg/m3 of PM2.5) and by 6% for those living in areas with a higher level of noise. Air pollution was higher in Germany and Spain than in Scandinavian countries and the combination of air and noise pollution was higher in Spain and Sweden.

English: Main complications of persistent high...

English: Main complications of persistent high blood pressure. Sources are found in main article: Wikipedia:Hypertension#Complications. To discuss image, please see Template_talk:Häggström diagrams. To edit, please use the svg version, convert to png and update both versions online. (Photo credit: Wikipedia)

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How does Air Pollution and Noise from Road Traffic affect Blood Pressure?

Long-term exposure to ambient air pollution and traffic noise and incident hypertension in seven cohorts of the European study of cohorts for air pollution effects (ESCAPE) (Abstract, Kateryna B Fuks, Gudrun Weinmayr, Xavier Basagaña, Olena Gruzieva, Regina Hampel, Bente Oftedal, Mette Sørensen, Kathrin Wolf, Geir Aamodt, Gunn Marit Aasvang, Inmaculada Aguilera, Thomas Becker, Rob Beelen, Bert Brunekreef, Barbara Caracciolo, Josef Cyrys, Roberto Elosua, Kirsten Thorup Eriksen, Maria Foraster, Laura Fratiglioni, Agneta Hilding, Danny Houthuijs, Michal Korek, Nino Künzli, Jaume Marrugat, Mark Nieuwenhuijsen, Claes-Göran Östenson, Johanna Penell, Göran Pershagen, Ole Raaschou-Nielsen, Wim Swart Jr, Annette Peters, Barbara Hoffmann, European Heart Journal, Oct. 24, 2016)

Also discussed here: World’s largest study shows effects of long-term exposure to air pollution and traffic noise on blood pressure (ScienceDaily, Oct. 25, 2016)

Today we review research based on the effects of traffic –related air pollution and noise in five countries for 5-9 years. Results indicate that the risk of high blood pressure or hypertension increased by 20%  for those who live in more polluted areas (for every increase of 5 µg/m3 of PM2.5) and by 6% for those living in areas with a higher level of noise. Air pollution was higher in Germany and Spain than in Scandinavian countries and the combination of air and noise pollution was higher in Spain and Sweden.

Car owners request measures against traffic no...

Car owners request measures against traffic noise for the road at their home, a typical Nimby (Not In My Backyard) situation (Photo credit: Wikipedia)

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What Happens to Coastal Cities Vulnerable to Sea Level Rise?

Adapting to rates versus amounts of climate change: a case of adaptation to sea-level rise ( 9 page pdf, Soheil Shayegh, Juan Moreno-Cruz and Ken Caldeira, Environmental Research Letters, Oct. 4, 2016)

Today we review the most immediate aspect of climate change- its impact in terms of sea level rise and how best to adapt to this financially, given that many coastal cities are threatened including London, New York, and Tokyo. The authors consider four scenarios given the current rate of rise of 44 cm/100 years which is expected to increase by almost a factor of ten to 344 cm/100 years as Antarctic ice continues to melt over the next 1,000 years for a 60 m rise in sea level. The scenarios include: taking no action, creating a buffer zone, adapting to change in rise and building dikes to withstand increased sea levels. The optimum distance from the sea for safety increases from 310 m to 481 m as the rate of rise of sea level doubles. Insurance based on static risk need to be revised to  a more flexible approach based on rate of rise.

aea-level-riase-and-adaptation

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How do Travel Demand and Economics Affect the Development of Urban Road Networks?

A Model of the Rise and Fall of Roads (33 page pdf,  Zhang, LeiLevinson, David M, Systems Symposium at the Massachusetts Institute of Technology, Mar. 2004)

Today we review a seminal paper from over a decade ago that examines the dynamics of road development in a major mid-West American city (Minneapolis-Saint Paul) using a model that combines measures such as travel demand statistics (usually found on Origin Destination studies) with the economics of road pricing or tolls, geographical constraints (such as rivers and mountains) and how these change with newer technology over time (in this case over 20 years). Roads represent both figuratively and physically the link that join the issues addressed in this blog: how traffic is linked to pollution and how pollution is linked to health. Of particular interest is the way that travel demand and road volume capacity (VC) interact with road tolls and the cost of road construction and the resulting revenue that may be used to ease congestion, in addition to the overall design of the road network and design for a major urban area.

road-links

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How Does Stress Add to Health Impacts of Air Pollution?

A Framework for Examining Social Stress and Susceptibility to Air Pollution in Respiratory Health (8 page pdf Jane E. Clougherty, Laura D. Kubzansky, Environmental Health Perspectives, Sep. 2009)

Also discussed here:EPA Workshop on Interactions between Social Stressors and Environmental Hazards (Abstracts, Environmental Protection Agency, Sep. 19, 2012)

And here: London parents see toxic air as ‘the biggest health threat to their children (Nicholas Cecil , Evening Standard, Mar. 21, 2016)
Today we examine a literature review into the links between psychological stresses and air pollution. Historically studies have shown that asthma is exacerbated when a person is also exposed to traffic related air pollution. Some air pollutants affect oxidative stress and cell production. Stress also may affect the permeability of bodily membranes to allow greater chemical uptake by organs including the brain. Roadway noise causes higher stress and depression as well as a higher heart rate for those who live near traffic.

stress and aq in london

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What is the Local Environmental Impact of Fracking?

Investigating the traffic-related environmental impacts of hydraulic-fracturing (fracking) operations (13 page pdf, Paul S. Goodman, Fabio Galatioto, Neil Thorpe, Anil K. Namdeo, Richard J. Davies, Roger N. Bird, Environment International, Feb. 1, 2016)

Today we review an aspect of fracking, not often investigated: the impact of local fracking wells which is a combination of the air pollution emissions from the fracking itself and the removal of waste water by tanker trucks which adds vehicle emissions and noise. There is a requirement for 9,000 to 29,000 cubic metres per well, or 54,000 to 174,000 cubic metres for a six-well pad. Total CO2 emissions associated with extraction of shale gas from a well were small (0.2–2.9%) compared to the combustion of the gas from the well. Modelling of NOx emissions showed increases reaching 30% over non-fracking periods and noise levels doubling.

fracking traffic

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What are the Health Impacts from Roadside Emissions while Reducing Greenhouse Gases?

Near-Roadway Air Pollution and Coronary Heart Disease: Burden of Disease and Potential Impact of a Greenhouse Gas Reduction Strategy in Southern California (8 page pdf, Rakesh Ghosh, Frederick Lurmann, Laura Perez, Bryan Penfold, Sylvia Brandt, John Wilson, Meredith Milet, Nino Künzli, and Rob McConnell, Environmental Health Perspectives, Feb. 1, 2016)

Today we review research into the impact of roadside emissions for people living near (within 50 m) of major highways in Southern California. While various policies have been put in place recently and into the future to reduce PM2.5 and greenhouse gas emissions, this study concentrated on the specific health impacts from roadside gases as they affect coronary heart disease. Results indicate that although emissions have lessened that more and more people live closer to the highways so that the health impacts become greater. Several options are suggested to alleviate this including a switch to zero emission electric vehicles and putting a buffer between the highways and residential areas.

south calif health

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