In Europe, Nitrogen Dioxide (NO2) pollutes the air mainly as a result of road traffic and energy production.
Apart from giving rise to acid rain and other air pollutants, current levels of NO2 may affect our health.
How and to what extent?
This is the fourth slideshow in a series for Unit 4 VCE Environmental Science. It discusses the factors contributing to air pollution, the sources and sinks and the human and environmental health effects.
This is the fourth slideshow in a series for Unit 4 VCE Environmental Science. It discusses the factors contributing to air pollution, the sources and sinks and the human and environmental health effects.
PHOTOCHEMICAL FORMATION OF SMOG
Photochemical Reactions in Atmosphere
What is Smog ?
Formation of Photochemical smog
Probable Mechanism for Smog formation
The branch of chemistry which deals with chemicals and other pollutants in environment
This presentation includes atmospheric pollution, water pollution, waste water treatment method and green chemistry.
Air can be contaminated by a range of very different particles such as dust, pollen, soot, smoke, and liquid droplets. Many of them can harm our health, especially very small particles that can enter deep into the lungs.
What is known about the different health effects of particles?
In the high layers of the atmosphere, Ozone acts as a protective sunscreen that shields us from the high levels of UV radiation coming from the sun. At ground-level, however, it can be harmful to plants, animals, and humans. How are we exposed to ozone and how harmful can it be?
PHOTOCHEMICAL FORMATION OF SMOG
Photochemical Reactions in Atmosphere
What is Smog ?
Formation of Photochemical smog
Probable Mechanism for Smog formation
The branch of chemistry which deals with chemicals and other pollutants in environment
This presentation includes atmospheric pollution, water pollution, waste water treatment method and green chemistry.
Air can be contaminated by a range of very different particles such as dust, pollen, soot, smoke, and liquid droplets. Many of them can harm our health, especially very small particles that can enter deep into the lungs.
What is known about the different health effects of particles?
In the high layers of the atmosphere, Ozone acts as a protective sunscreen that shields us from the high levels of UV radiation coming from the sun. At ground-level, however, it can be harmful to plants, animals, and humans. How are we exposed to ozone and how harmful can it be?
Case studies in improving urban air qualityngocjos
IGU study finds that the switch to natural gas helps mega-cities dramatically improve air quality and reduce emissions of GHG and air pollutants – enhancing and saving lives. On the sidelines of the COP21 negotiations in Paris the IGU has released a major study that highlights the interconnection that exists between reducing greenhouse gas emissions and reducing emissions of other air pollutants. It presents case studies of efforts in four cities — New York, Istanbul, Toronto, and Beijing — that have tackled or are tackling the issue of improving urban air quality and where gas has featured as the main contributor to their efforts. These cities can provide lessons for other cities seeking to reduce the potentially severe health consequences of urban air pollution.
Ambient Air Quality and Noise Assessment in Eleme Communities, Rivers State, ...GIFT KIISI NKIN
NKIN GIFT KIISI
Problems caused by ambient air pollution on human and the environment can be averted by steadily and strictly monitoring of the concentrations of outdoor pollutants. Human activities have triggered changes in the earths atmosphere. In this research, 7(Seven) selected Eleme communities, 4(four) zones in each community and 28(Twenty eight) sampling points in all locations were assessed for the concentrations of CO, SO2 , NO2 , NO, CO2 , SPM, O2 , noise level and as well Meteorological parameters using methods recommended by ASTM for air pollutants measurement and meteorological parameters. Findings of this research showed that, measured level of CO (1.00 - 43.00 ppm) at Akpajo, Aleto and Onne zone "B" exceeded the stipulated limit by NAAQS. Measured level of SO2 (0.00 - 1.30 ppm) at zone "B" and "D" in all locations were above permissible limit except in Alode and Ogale in which the concentrations of SO2 were 0.00 ppm through out the zones. NO2 (0.00 - 3.10 ppm) and NO (0.00 - 1.05 ppm) concentrations in zone "B" in all the
sampling locations exceeded the permissible limit by NAAQS except in Alode and Ogale. Aleto and Ogale zone "D" were also above limits. SPM(0.01 - 4.83 ppm) Levels in all locations and zones exceeded the limit given by W.H.O except in Ogale residential area. Noise Level (40.20 - 102 dBA) at Alesa, Aleto, Akpajo and Ebubu zone "B" were as well above
limits. In order to address the risk connected with the identified pollutants in the study area, more endeavour should be conveyed to the use of renewable energy and as well, cleaner air initiatives should be embarked upon.
Ambient Air Quality and Noise Assessment in Eleme Communities, Rivers State, ...GIFT KIISI NKIN
Problems caused by ambient air pollution on human and the environment can be averted by steadily and strictly monitoring of the concentrations of outdoor pollutants. Human activities have triggered changes in the earths atmosphere. In this research, 7(Seven) selected Eleme communities, 4(four) zones in each community and 28(Twenty eight) sampling points in all locations were assessed for the concentrations of CO, SO2 , NO2 , NO, CO2 , SPM, O2 , noise level and as well Meteorological parameters using methods recommended by ASTM for air pollutants measurement and meteorological parameters. Findings of this research showed that, measured level of CO (1.00 - 43.00 ppm) at Akpajo, Aleto and Onne zone "B" exceeded the stipulated limit by NAAQS. Measured level of SO2 (0.00 - 1.30 ppm) at zone "B" and "D" in all locations were above permissible limit except in Alode and Ogale in which the concentrations of SO2 were 0.00 ppm through out the zones. NO2 (0.00 - 3.10 ppm) and NO (0.00 - 1.05 ppm) concentrations in zone "B" in all the sampling locations exceeded the permissible limit by NAAQS except in Alode and Ogale. Aleto and Ogale zone "D" were also above limits. SPM(0.01 - 4.83 ppm) Levels in all locations and zones exceeded the limit given by W.H.O except in Ogale residential area. Noise Level (40.20 - 102 dBA) at Alesa, Aleto, Akpajo and Ebubu zone "B" were as well above limits. In order to address the risk connected with the identified pollutants in the study area, more endeavour should be conveyed to the use of renewable energy and as well, cleaner air initiatives should be embarked upon.
Keywords: Ambient Air; Pollution; Assessment; Eleme communities; Rivers Sate; Nigeria
Introduction
Activities and processes which include urbanization, population explosion industrialization and as well as intensive agricultural activities and bush burning have caused colossal damage to our environment [1,2,3]. Increase in population of human beings is closely associated with increase in industrialization and urbanization thereby resulting to the
destruction of natural habitat and pollution of the biosphere more and more. Air pollution may be defined as any atmospheric condition in which certain substances are present in such concentrations that they can produce undesirable effects on Man and his environment [2]. These substances include gases which are Sulphur Oxides, Nitrogen Oxides, Carbon Monoxide, Hydrocarbons and as well, particulate matter which are Smoke, Dust, Fumes, Aerosols among others. Moreover, radioactive materials and many others are also considered as air pollutants. Most of these substances are naturally present in low concentrations in the atmosphere and are usually considered to be harmless[3]. considering the sources of these pollutants, quite a number of them enters the atmosphere as a result of anthropogenic activities( human activities). On the basis of physical states, there are two major groups of air pollutants.
Air pollution – be it indoors or outdoors – is a major environmental health concern as it can lead to serious health effects, such as respiratory diseases, including asthma and lung cancer.
Much progress has been made in Europe in improving outdoor air quality and limit values have been set for several pollutants. However, indoor air quality also requires attention because this is where we spend most of our time.
Which indoor air pollutants raise concern? How can indoor air quality be determined?
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Indoor air quality index and chronic health diseaseeSAT Journals
Abstract Approximately about 2 million premature deaths per year in developing countries by indoor pollution this is estimated by WHO (2006). Indoor activities (cooking, smoking, incense, mosquitoes coil and others), building characteristics and outdoor climatic conditions have affected indoor air quality environment. Especially young and unemployed people spend about 90% of their times in indoor environment so, air quality index (AQI) is now becomes the essential task for determine the quality of indoor homes. Indoor air quality index concern to pollutant concentration. AQI = 1/3 [SPM/SSPM + SO2/SSO2 + NOx/SNOx ] x 100. More will be the value of AQI more hazardous will be the quality. One of the most important parameter for indoor air quality is particulate matter (PM2.5) and due to long exposure to particulate matters may lead to mortality. Women and children are mainly affected by indoor pollution because they spend more time in homes as compare to others. So, increased the respiratory symptoms, decreased the lung function, increased lung cancer incidence, cardiovascular mortality and accelerated artherosclerosis and vascular inflammation all these ill effects mainly observed in women’s and infants.
Dioxins are mainly released by human activities such as incineration and fuel combustion. Some dioxins and some "dioxin-like" PCBs are known to be harmful.
In 2008, the facts presented here are still considered a valid reference. Since 1998, there have been no big changes in our scientific understanding of dioxins - other than to strengthen the conclusions that dioxins are bad actors. General dioxin levels have since continued to drop both in the environment and in people.
Environmental health Effect and Air Pollution from cigarette smokers in Cross...IOSR Journals
This study is aimed at assessing the cause of air pollution and Environmental health effect on people living in Cross River State using cigarette smokers as a case study. Data was gathered through a well designed and articulated oral and written questionnaires, direct and first-hand observation of the environment, and comprehensive interview sessions were carried out with community Heads (Royal Authorities where possible), patients and youths. A total of one hundred and seventeen thousand (117,000) questionnaires were randomly distributed evenly to men of about 20-75years old in all the Eighteen (18) Local Government Area in Cross River State. Eighty seven thousand, five hundred and thirty three (87,533) valid questionnaire were received back. Nine hundred (900) of the people reported that they do not smoke any cigarette. Table 1 shows the total number of people who smoke cigarette. Table 2a,b show the total number of patients with smoking related diseases. Most of these patients with smoking related diseases such as decrease in lung function, increase of heart attack, Respiratory diseases, cancer, asthma, and other health effects are having those disease conditions as a result of their smoking habits.
La biologie de synthèse utilise des méthodes plus simples et plus rapides pour produire des organismes génétiquement modifiés (OGM).
Quels sont les risques potentiels?
La biología sintética utiliza métodos más rápidos y sencillos para producir organismos modificados genéticamente (OMG).
¿Qué riesgos conlleva la biología sintética?
L’utilisation de cosmétiques contenant de la silice sous forme nano est-elle ...GreenFacts
L’utilisation commerciale des nanomatériaux est relativement nouvelle et si certaines applications pourraient être prometteuses et bénéfiques, elle soulève également des questions quant à sa sûreté.
La silice sous forme nano dans les cosmétiques est-elle dangereuse ?
¿Son seguros los cosméticos que contienen sílice en nanoforma?GreenFacts
El uso comercial de los nanomateriales es relativamente reciente y, si bien puede tener aplicaciones prometedoras y beneficiosas, también plantea problemas de seguridad.
¿Es peligrosa la presencia de nanosílice en los cosméticos?
A la luz de estudios científicos recientes sobre las amalgamas dentales, el SCENIHR (Comité Científico de los Riesgos Sanitarios Emergentes y Recientemente Identificados) ha revisado su dictamen de 2008 sobre la seguridad y el rendimiento de las amalgamas dentales y las posibles alternativas, como compuestos a base de resina, cementos de ionómero de vidrio y cerámicas.
El mercurio, elemento metálico utilizado en los empastes de amalgama, tiene efectos sanitarios bien conocidos y documentados. ¿Plantean algún riesgo las amalgamas dentales y los materiales alternativos?
In light of recent scientific studies on dental amalgam, SCENIHR (Scientific Committee on Emerging and Newly Identified Health Risks) revisited its 2008 opinion on the safety and performance of both dental amalgam and possible alternatives (i.e. resin-based composites, glass ionomer cements and ceramics).
Mercury, which is the metallic element used in dental amalgam fillings, has well-documented and well-known health effects. Do dental amalgam and alternative materials pose any risks?
L’exposition aux champs électromagnétiques est-elle dangereuse pour la santé ?GreenFacts
Un nouvel avis du SCENIHR examine les dernières données concernant l’impact sur la santé des technologies les plus récentes. Cette fiche d’information est fondée sur l’avis scientifique du Comité scientifique des risques sanitaires
émergents et nouveaux indépendant (SCENIHR) : «Potential health effects of exposure to electromagnetic fields
(EMF)».
Climate Change mitigation: practical measures to limit global warming IPCC re...GreenFacts
The IPCC uses a very specific language when it comes to expressing the degree of uncertainty or agreement for each statement in the fifth assessment report. For an overview of the specific meaning of each qualifier, you can read the relevant section in our summary of the Working Group I report.
Antibiotic resistance: causes, consequences and means to limit itGreenFacts
Over the last century, antibiotics have radically changed the
way we treat infections. They are an important tool for modern medicine, but unfortunately their misuse have led to the emergence of bacteria that are resistant to antibiotics.
What has caused it and how can the spread of resistance be limited?
Protectores solares con dióxido de titanio en forma de nanopartículas. ¿Un ri...GreenFacts
El creciente uso de nanomateriales en una amplia gama de productos de consumo
ha llevado a revaluar la seguridad de varias sustancias, entre ellas el dióxido
de titanio (TiO2). El dióxido de titanio en forma de nanopartículas
se utiliza como decolorante en cremas y lociones, y actualmente está aprobado como
filtro UV para protectores solares. ¿Son seguros los protectores solares con nanopartículas de dióxido de titanio? ¿Se comportan estas nanopartículas de
manera diferente a otras partículas de dióxido de titanio? ¿Cómo se evalúan los riesgos de las nanopartículas? La presente hoja informativa contiene todas las respuestas.
Sunscreens with titanium dioxide as nanoparticles. Health risks?GreenFacts
The increasing use of nanomaterials in a wide range of
consumer products has prompted a re-evaluation of the safety of a number of subs tances, including titanium
dioxide (TiO2). Titanium dioxide, in the form of nanoparticles used to render creams and lotions transparent, is currently approved as a UV-filter in sunscreens. Are sunscreens with titanium dioxide nanoparticles safe? Do these nanoparticles behave
differently than other particles of titanium dioxide?
How are the risks of nanoparticles evaluated?
This fact sheet tells you all about it.
Sonnenschutzmittel mit Titandioxid in Nanopartikelform. Gesundheitsrisiken?GreenFacts
Die zunehmende Verwendung von Nanomaterialien
in einer großen Anzahl von Konsumgütern hat
eine erneute Abschätzung der Sicherheit einer
Reihe von Substanzen, einschließlich des
Titandioxids (TiO2), nötig gemacht.
Titandioxid, das in der Form von Nanopartikeln verwendet wird um Cremes und Lotionen transparent zu machen, wird derzeit als UV-Filter in Sonnenschutzmitteln zugelassen. Sind
Sonnenschutzmittel mit Titandioxid-Nanopartikeln
sicher? Verhalten sich diese Nanopartikel anders als
andere Partikel des Titandioxids? Wie werden die Gefahren
von Nanopartikeln abgeschätzt? In diesem Informationsblatt
erfahren Sie alles darüber.
Produits solaires avec des nanoparticules de dioxyde de titane. Des risques p...GreenFacts
L’utilisation croissante de nanomatériaux dans toute une série de produits de consommation a donné lieu à une
réévaluation de la sécurité de certaines substances,
notamment le dioxyde de titane (TiO2). Le dioxyde de
titane, sous la forme de nanoparticules
utilisées pour rendre les crèmes et les lotions
transparentes, est actuellement approuvé en tant que
filtre UV dans les écrans solaires. Les écrans solaires
contenant des nanoparticules de dioxyde de titane
sont-ils sûrs ? Ces nanoparticules se comportent-elles
différemment des autres particules de dioxyde de titane
? Comment les risques des nanoparticules sontils
évalués ? Cette fiche d’information vous dit tout.
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
We all have good and bad thoughts from time to time and situation to situation. We are bombarded daily with spiraling thoughts(both negative and positive) creating all-consuming feel , making us difficult to manage with associated suffering. Good thoughts are like our Mob Signal (Positive thought) amidst noise(negative thought) in the atmosphere. Negative thoughts like noise outweigh positive thoughts. These thoughts often create unwanted confusion, trouble, stress and frustration in our mind as well as chaos in our physical world. Negative thoughts are also known as “distorted thinking”.
How to Split Bills in the Odoo 17 POS ModuleCeline George
Bills have a main role in point of sale procedure. It will help to track sales, handling payments and giving receipts to customers. Bill splitting also has an important role in POS. For example, If some friends come together for dinner and if they want to divide the bill then it is possible by POS bill splitting. This slide will show how to split bills in odoo 17 POS.
The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
For more information, visit-www.vavaclasses.com
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
In this webinar you will learn how your organization can access TechSoup's wide variety of product discount and donation programs. From hardware to software, we'll give you a tour of the tools available to help your nonprofit with productivity, collaboration, financial management, donor tracking, security, and more.
Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
Andreas Schleicher presents at the OECD webinar ‘Digital devices in schools: detrimental distraction or secret to success?’ on 27 May 2024. The presentation was based on findings from PISA 2022 results and the webinar helped launch the PISA in Focus ‘Managing screen time: How to protect and equip students against distraction’ https://www.oecd-ilibrary.org/education/managing-screen-time_7c225af4-en and the OECD Education Policy Perspective ‘Students, digital devices and success’ can be found here - https://oe.cd/il/5yV