air pollution
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This presentation discusses air pollution as a global issue. It provides background on the current situation, citing rising CO2 levels and particulate matter in some cities. The main causes of air pollution are outlined as manufacturing, natural processes like volcanoes and wildfires, and old means of transportation. The effects of air pollution are described as threats to both the environment like global warming and human health like lung cancer. Solutions proposed include reducing population growth, energy use, and waste as well as moving to renewable energy and controlling automobile emissions. Output and input controls are also discussed as approaches.
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The document discusses air pollution and its causes and effects. It begins by introducing the group members and providing an outline of the topics to be discussed, which include the introduction, types, causes, effects, historical disasters, and references related to air pollution. It then defines air pollution as the presence of gases and particles in the air that are harmful to humans, plants, and animals. The document goes on to discuss the different types of air pollution including man-made sources such as domestic, vehicular, and industrial activities, as well as natural sources like volcanic eruptions and dust storms. It also examines the causes of air pollution including the burning of fossil fuels, agricultural activities, exhaust from factories and industries, and mining operations.
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The document discusses air pollution and its causes. It defines air pollution and lists six major air pollutants: carbon monoxide, ozone, nitrogen dioxide, sulfur oxides, carbon dioxide, and lead. It describes primary and secondary pollutants and their sources. Burning fossil fuels from vehicles and industries are major sources of primary pollutants. Secondary pollutants form from chemical reactions between primary pollutants and can create smog and ground-level ozone. The effects of air pollution on human health, wildlife, and the environment are outlined. Incineration of waste contributes pollutants like dioxins, furans, and heavy metals to air.
ENVIRONMENTAL ISSUES AND CONSERVATION
This document discusses various environmental issues and types of pollution. It provides details on different types of pollution including air, soil, and water pollution. For each type of pollution, it defines what it is, possible causes and sources, effects, and some measures to reduce or prevent it. Air pollution is caused by both natural phenomena like volcanic eruptions as well as human activities such as industries, vehicles, and agriculture. Soil pollution stems from sources like industry, agriculture, and mining. Water pollution occurs when untreated sewage and industrial/agricultural wastes are disposed into water bodies. The document outlines many negative impacts of pollution and some potential solutions to address different pollution problems.
Air Pollution
1. The document discusses various types of air pollution including primary and secondary pollutants. Primary pollutants are emitted directly from sources while secondary pollutants form from chemical reactions between primary pollutants.
2. Common air pollutants are described such as sulfur oxides, nitrogen oxides, and carbon monoxide which are produced from both natural events and human activities like combustion.
3. The main causes of air pollution are outlined as manufacturing, natural processes like volcanoes and wildfires, and smoking from transportation. This leads to negative health effects especially for children.
Air Pollution
This document discusses air pollution and its causes, effects, and potential solutions. It defines air pollution as a mixture of solid particles and gases in the air. The major causes of air pollution include the burning of fossil fuels for energy and transportation, industrial activities, agricultural activities, and vehicle emissions. The effects of air pollution include respiratory and heart problems, global warming, acid rain, impacts on wildlife, and depletion of the ozone layer. Proposed solutions include using public transportation, better household practices, conserving energy, reducing and recycling waste, developing clean energy sources, and using energy-efficient devices.
AIR POLLUTION 3-1-2020.pptx
The document discusses air pollution, defining it as gases or particles released in sufficient quantities to harm human health, plants, or the environment. It then discusses the major causes and types of air pollution, focusing on India. The top three causes are traffic, which releases particulate matter and gases from vehicle exhaust; power plants, which emit sulfur dioxide, nitrogen oxides, and particulates from burning fossil fuels; and industrial plants, which can continuously or accidentally release pollution. The document also lists natural causes like forest fires and health and environmental impacts of air pollution.
Environmental Pollution
This document discusses environmental pollution in Bangladesh. It begins by defining pollution and environmental pollution, noting that pollution occurs when pollutants contaminate the natural surroundings and disrupt ecosystems. The major causes of environmental pollution are identified as industries, transportation, agricultural activities, trading activities, and residences. The effects of environmental pollution are outlined, including impacts on humans, animals, plants, and ecosystems. Bangladesh is ranked among the worst countries for urban air quality. The document concludes by outlining some governmental steps taken in Bangladesh to control pollution, such as establishing environmental laws and banning certain pollutants.
causes , effect and control measures of pollution (air pollution)
This document discusses the causes, effects, and control of air pollution. It defines air pollution as any physical, chemical, or biological change in the air that contaminates it. Air pollutants are divided into primary pollutants, which directly cause pollution, and secondary pollutants formed by the interaction of primary pollutants. The effects of air pollution include global warming, ozone layer depletion, and negative impacts on animals. Control measures include reducing vehicle use, conserving energy, and using clean energy resources. The major causes of air pollution are burning fossil fuels, automobile emissions, agriculture, industrial activities, mining, and domestic sources.
The Importance Of Reduce Air Pollution
The document discusses the importance of reducing air pollution from three perspectives: ecology, health, and economy. It notes that air pollutants like particulate matter and ozone contribute to rising temperatures by blocking heat reflection. Higher temperatures then increase smog pollution and form a negative cycle. It also discusses how air pollution exacerbates infectious diseases in China by affecting disease-carrying organisms and expanding their ranges.
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Introduction to objective, scope and outcome the subject
Chapter 2
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Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
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2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
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air pollution
- 1. Welcome to my presentation Air pollution Student: Trần Thị Phương Class: English Education course 32
- 2. I.Situation III.Effects Air Pollution II.Causes IV.Solution
- 3. I-Situation Air pollution is a global issue which human beings are facing with. It becomes more and more serious, especially in developed countries It threatens to not only living environment but also humans’ health
- 4. Level of CO2 has been increasing markedly in recent years. In some big cities in Viet nam level of dust and smoke in the air has been rising alarmingly each year.
- 5. II-Causes 1.Manufacturing 2.Natural process 3.Old means of transport
- 6. 1.The main cause of air pollution is manufacturing. This source of pollution spews particulate matter and chemicals into the atmosphere. Factories realese exhaust into the environment, including: sulfur oxides, nitrogen oxides, carbon monoxide and dioxide, etc... The burning of fossil fuels is an aspect of manufacturing that extracts poisonous components to the air.
- 7. 2.The second reason is natural process. The Earth itself contributes to air pollution through volcanic eruptions, wildfires, and other natural process, but it is capable of recovering from those sources.
- 8. . 3.Smoking and dust from second-hand or old means of transports pollute the atmosphere of big cities.
- 9. III-Effects Air pollution has huge effects on both environment and hunman beings: It results in global warming: ice- melting, greenhouse effect, depletion of ozone layer. Because of toxic air, people can get dangerous diseases, such as: cough, lung cancer, depression, etc... The extinction of plants and animals can occur on the Earth.
- 10. ice-melting Lung cancer Endangered animals
- 11. III-Solutions People may try to restrict population growth, use less energy, improve energy efficiency, reduce waste, and move to non-polluting renewable forms of energy production. Also, automobile-produced pollution can be decreased with highly beneficial results. Output control, the opposite method, seeks to fix the problems caused by air pollution. This usually means cleaning up an area that has been damaged by pollution. Input controls are usually more effective than output controls. Output controls are also more expensive, making them less desirable to tax payers and polluting industries.
- 12. Natural energy Social activities for environment
- 13. Thanks for your attention