This "Air Pollution" PowerPoint presentation delves into the critical issue of air pollution, exploring its causes, far-reaching effects, and potential solutions. Through compelling visuals and informative content, this presentation seeks to raise awareness about the environmental challen...
This "Air Pollution" PowerPoint presentation delves into the critical issue of air pollution, exploring its causes, far-reaching effects, and potential solutions. Through compelling visuals and informative content, this presentation seeks to raise awareness about the environmental challenges posed by air pollution and empower audiences with knowledge to drive positive change. Covering topics such as major pollutants, health impacts, urban air quality, and sustainable practices, this presentation equips viewers with a comprehensive understanding of the complexities surrounding air pollution. Whether you're an educator, student, professional, or concerned citizen, this presentation offers valuable insights to foster informed discussions and inspire actions that contribute to a cleaner, healthier environment for current and future generations.
Size: 18 MB
Language: en
Added: Aug 11, 2023
Slides: 20 pages
Slide Content
Presentation By: Ritik Kumar AIR POLLUTION
INDEX Sr. No. Topic Name 1 What is Air Pollution 2 Source Of Air Pollution 3 Causes Of Air Pollution 4 Effects Of Air Pollution 5 Air Pollution In India 6 Air Pollution & Environmental Justice 7 Controlling Air Pollution 8 How To Help Reduce Air Pollution 9 How To Protect Your Health 10 Quotes 11 References
What is Air Pollution? Air pollution is a type of environmental pollution that affects the air and is usually caused by smoke or other harmful gases, mainly oxides of carbon , Sulphur and nitrogen . In other words, air pollution is the contamination of air due to the presence or introduction of a substance which has a poisonous effect.
Sources Of Air Pollution Air pollutants may be categorised as primary or secondary Primary pollutants : Primary pollutants are directly emitted to the atmosphere. Air pollutants may have a natural, anthropogenic or mixed origin, depending on their sources or the sources of their precursors. Key primary air pollutants include particulate matter (PM), black carbon (BC), sulphur oxides (SO 2 ), nitrogen oxides (NO X ) (including nitrogen monoxide and nitrogen dioxide, NO 2 ), ammonia (NH 3 ), carbon monoxide (CO), methane (CH 4 ), non-methane volatile organic compounds (NMVOCs), including benzene, and certain metals and polycyclic aromatic hydrocarbons, including benzo[a]pyrene (BaP). S econdary pollutants : secondary pollutants are formed in the atmosphere from precursor gases through chemical reactions and microphysical processes. Key secondary air pollutants are particulate matter(PM), ozone (O 3 ), NO 2 and several oxidized volatile organic compounds (VOCs). Key precursor gases for secondary PM are Sulphur dioxide (SO 2 ), NO X , NH 3 and VOCs. These pollutants and their precursor gases can be of both natural and anthropogenic origin including: burning of fossil fuels in electricity generation, transport, industry and households industrial processes and solvent use, for example in the chemical and mining industries agriculture waste treatment natural sources, including volcanic eruptions, windblown dust, sea-salt spray and emissions of volatile organic compounds from plants.
Causes Of Air Pollution
The Burning of Fossil Fuels Most of the air pollution takes place due to the burning of fossil fuels such as coal, oil, gasoline to produce energy for electricity or transportation. The release of carbon monoxide in high level indicates how much fossil fuel is burned. This also emits other toxic pollutants in the air. Industrial Emission Industrial activities emit several pollutants in the air that affects the air quality more than we can even imagine. Particulate matter 2.5 and 10, Nitrogen dioxide, Sulfur dioxide, and carbon monoxide are key pollutants that are emitted from industries that use coal and wood as their primary energy source for production of their goods.
Transportation There is no denying that vehicle pollution is the major contributor to air pollution, especially in urban cities. When the car burns gasoline, it emits pollutants in the air which is as harmful as smoking 10 cigarettes a day. Indoor Air Pollution Use of toxic products also called as Volatile Organic Compounds (VOCs), inadequate ventilation, uneven temperature, and humidity level can cause indoor air pollution , whether you are in office, school or at your comfortable home. House air pollution can take place due to ignorant factors, for instance, smoking tobacco inside a room or leaving mold infected wall untreated.
Open Burning of Garbage Waste Open burning of garbage is much more harmful to your health and the environment than one may think. As per Engage EPW, Delhi Air Pollution is choking public health. Delhi generates a whopping 9500 tons of waste every day, which makes it India’s second waste dumping city. A gricultural Activities Agricultural activities have had a serious impact on the decreasing air quality. To begin with pesticides and fertilizers are the main source to contaminate the surrounding air. Nowadays, pesticides and fertilizers are mixed with new invasive species which are not found in nature, for quick growth of the crops and vegetation.
Effects of Air Pollution
ON THE ENVIRONMENT Air pollution has a major impact on the process of plant evolution by preventing photosynthesis in many cases, with serious consequences for the purification of the air we breathe. It also contributes to the formation of acid rain, atmospheric precipitations in the form of rain, frost, snow or fog, which are released during the combustion of fossil fuels and transformed by contact with water steam in the atmosphere. GLOBAL WARMING In fact, the abundance of carbon dioxide in the air is one of the causes of the greenhouse effect. Normally, the presence of greenhouse gases should be beneficial for the planet because they absorb the infra-red radiation produced by the surface of the earth. But the excessive concentration of these gases in the atmosphere is the cause of the recent climate change.
Air Pollution In India Air pollution in India is a serious health issue. Of the 30 most polluted cities in the world, 21 were in India in 2019. As per a study based on 2016 data, at least 140 million people in India breathe air that is 10 times or more over the WHO safe limit and 13 of the world's 20 cities with the highest annual levels of air pollution are in India. 51% of the pollution is caused by industrial pollution, 27 % by vehicles, 17% by crop burning and 5% by other sources. Air pollution contributes to the premature deaths of 2 million Indians every year. Emissions come from vehicles and industry, whereas in rural areas, much of the pollution stems from biomass burning for cooking and keeping warm. In autumn and spring months, large scale crop residue burning in agriculture fields – a cheaper alternative to mechanical tilling – is a major source of smoke, smog and particulate pollution. India has a low per capita emissions of greenhouse gases but the country as a whole is the third largest greenhouse gas producer after China and the United States. A 2013 study on non-smokers has found that Indians have 30% weaker lung function than Europeans. The Air (Prevention and Control of Pollution) Act was passed in 1981 to regulate air pollution but has failed to reduce pollution because of poor enforcement of the rules. In 2015, Government of India, together with IIT Kanpur launched the National Air Quality Index. In 2019, India launched 'The National Clean Air Programme' with tentative national target of 20%-30% reduction in PM2.5 and PM10 concentrations by 2024, considering 2017 as the base year for comparison.
No one wants to live next door to an incinerator, oil refinery, port, toxic waste dump, or other polluting site. Yet millions of people around the world do, and this puts them at a much higher risk for respiratory disease, cardiovascular disease, neurological damage, cancer, and death. Historically, racist zoning policies and the discriminatory lending practices known as redlining have combined to keep polluting industries and car-choked highways away from white neighborhoods and have turned communities of color—especially poor and working-class communities of color—into sacrifice zones where residents are forced to breathe dirty air and suffer the many health problems associated with it. In addition to the increased health risks that come from living in such places, members of these communities experience economic harm in the form of missed workdays, higher medical costs, and local underinvestment. AIR POLLUTION AND ENVIRONMENTAL JUSTICE
CONTROLLING AIR POLLUTION T o control air pollution is to speed up our transition to cleaner fuels and industrial processes. By switching over to renewable energy sources (such as wind and solar power), maximizing fuel efficiency in our vehicles, and replacing more and more of our gasoline-powered cars and trucks with electric versions, we'll be limiting air pollution at its source while also curbing the global warming that heightens so many of its worst health impacts. Turn off the lights when not in use The energy that the lights take also contribute to air pollution, thus less consumption of electricity can save energy. Use energy saving fluorescent lights to help the environment. Recycle and Reuse The concept of recycle and reuse is not just conserve resources and use them judicially but also is helpful for air pollution as it helps in reducing pollution emissions. The recycled products also take less power to make other products. No to plastic bags The use of plastic products could be very harmful to the environment as they take a very long time to decompose, due to their material made up of oil. The use of paper bags instead is a better alternative as they decompose easily and are recyclabl e
How To Help Reduce Air Pollution Replace energy-hungry incandescent lights with compact florescent light bulbs. Recycle paper, plastic, metals and organic materials. Explore “green” outdoor activities including camping, biking, hiking, paddling, running, climbing, and electric boating. Plant a tree! Trees filter the air and provide shade that can reduce cooling costs. Use water based cleaning products that are labeled zero VOC. Recycle paper, plastic, metals and organic materials. Take public transportation. Avoid using of products with chemicals Look for the ENERGY STAR label when buying home or office equipment.
How To Protect Your Health “When you see in the news or hear on the weather report that pollution levels are high, it may be useful to limit the time when children go outside or you go for a jog,” Study says. Generally, ozone levels tend to be lower in the morning. If you exercise outside, stay as far as you can from heavily trafficked roads. Then shower and wash your clothes to remove fine particles. The air may look clear, but that doesn’t mean it’s pollution free. Utilize tools like the EPA’s air pollution monitor, Air Now , to get the latest conditions. If the air quality is bad, stay inside with windows closed. Wear sunscreen. When ultraviolet radiation comes through the weakened ozone layer, it can cause skin damage and skin cancer. If you live or work in an area prone to wildfires, stay away from the harmful smoke as much as you’re able. Consider keeping a small stock of masks to wear when conditions are poor.
“When the last tree is cut, the last fish is caught, and the last river is polluted; when to breathe the air is sickening, you will realize, too late, that wealth is not in bank accounts and that you can’t eat money.” ~ Alanis Obomsawin Quotes