'Primary pollutants' diaporamas de présentation

Chapter 24: Air Pollution

Chapter 24: Air Pollution. A Brief History of Air Pollution. The atmosphere has long been a sink for waste disposal. Long history of recognition of the existence of atmospheric pollutants Natural photochemical smog recognized in 1550 Acid rain first described in 17 th century

1.4k views • 120 slides

Chapter 24: Air Pollution

Chapter 24: Air Pollution. A Brief History of Air Pollution. The atmosphere has long been a sink for waste disposal. Long history of recognition of the existence of atmospheric pollutants Natural photochemical smog recognized in 1550 Acid rain first described in 17 th century

1.29k views • 120 slides

Air Pollution

Air Pollution. Chapter 19. Essential Question #1. What layers are found in the atmosphere and what are their altitudes?. The 4 Atmosphere Layers. Troposphere* Stratosphere* Mesosphere Thermosphere. Atmosphere Altitudes. Troposphere* 11 miles (17 km) above sea level Stratosphere*

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NATS 101 Lecture 23 Air Pollution Meteorology

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NATS 101 Lecture 23 Air Pollution Meteorology

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Outdoor Air Pollution

Outdoor Air Pollution. Ch 17. 17_00CO.JPG. 17_01.JPG. Outdoor Air Pollution. Air pollution = the release of pollutants Air pollutants = gases & particulate material added to the atmosphere Can affect climate or harm people Outdoor (ambient) air pollution = pollution outside

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Environmental Science: Toward a Sustainable Future Richard T. Wright

Environmental Science: Toward a Sustainable Future Richard T. Wright. Chapter 21. Atmospheric Pollution PPT by Clark E. Adams. Atmospheric Pollution. Air-pollution essentials Major air pollutants and their sources Impacts of air pollutants: health and environment

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AIR POLLUTION FUNDAMENTALS

AIR POLLUTION FUNDAMENTALS. History. Many of the worst air pollution episodes occurred in the last two centuries in London key ingredients calm winds fog smoke from coal burning in 1873 - 700 deaths in 1911 - 1150 deaths in 1952 - over 4000 deaths;

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15 -4 The Air We Breathe

15 -4 The Air We Breathe. Air Quality is determined by the amount and type of pollutants in the air. Natural sources produce a greater amount of pollutants than humans do. Human activities cause most of the air pollution in cities. This pollution may be solid, liquid, or gas.

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Air

Air. Section #1: What Causes Air Pollution. when harmful substances build up in the air to unhealthy levels these harmful substances can be in the form of a solid, liquid, or gas most pollution is from human activities, but some comes from natural sources. Air Pollution.

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Mexico City

Mexico City. Sao Paulo. Singapore. Allepo, Syria. Bejing after rain. Bejing after sun. Photochemical smog. Primary pollutants. CO NO x VOCs (volatile organic compounds) Unburnt fuel Methane, PAHs. Secondary pollutants. Ozone PAN Organic oxidation products. Photochemical smog.

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Human Interactions with the Environment

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Air Pollution

Air Pollution. Indoor/Outdoor. The Atmosphere. Troposphere. 78% N, 21% O. Stratosphere. Ozone layer. Greenhouse effect. Outdoor Air Pollution. airborne particles and gasses concentrations that endanger: heath and well-being of organisms

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Final Exam and Retakes

Final Exam and Retakes. There are no retakes allowed after the final exam. You are allowed as many retakes on exams prior to the final. Show me evidence of practice With the exceptions of a few graded labs, there will be no other chances to raise your grade. Our Goal for May 5 th.

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Air Pollution

Air Pollution. 15.4. Definition:. Chemical or physical agent that when added to the environment impacts people, wildlife, plants or ecosystems. Natural causes Human causes. Monitoring Air Quality. Lichens = natural indicators of air quality

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Monitoring air pollution in protected areas

Monitoring air pollution in protected areas. Md. Humauin Kabir Mountain Forestry BOKU. Air pollution?. Changing the natural composition of the air both by men as well as natural process Effect of air pollution Direct toxic Indirect toxic. Types of air pollutants Primary pollutants

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Do Now

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Ch. 15

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Chapter 15 Air Pollution and Stratospheric Ozone Depletion

Chapter 15 Air Pollution and Stratospheric Ozone Depletion. Air Pollution . Definition : the introduction of chemicals, particulate matter, or microorganisms into the atmosphere at concentrations high enough to harm plants, animals, and materials such as buildings, or to alter ecosystems.

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Chapter 15 Section 4: The Air We Breathe

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