Ch17 lecture 3e

This lecture will help you understand: ,[object Object],[object Object],[object Object],[object Object],[object Object]

Central Case: Charging toward cleaner air in London ,[object Object],[object Object],[object Object],[object Object]

The atmosphere ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The atmosphere’s composition

The first two layers of the atmosphere ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The two highest levels of the atmosphere ,[object Object],[object Object],[object Object],[object Object],[object Object]

The atmosphere’s four layers

Atmospheric properties ,[object Object],[object Object],[object Object],[object Object]

Solar energy heats the atmosphere ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Solar energy creates seasons ,[object Object],[object Object],[object Object],[object Object]

Solar energy causes air to circulate ,[object Object],[object Object],[object Object],[object Object],[object Object]

The atmosphere drives weather and climate ,[object Object],[object Object],[object Object]

Air masses produce weather ,[object Object],[object Object],[object Object]

Air masses have different atmospheric pressures ,[object Object],[object Object],[object Object],[object Object]

Thermal inversion ,[object Object],[object Object],[object Object],[object Object],[object Object]

The atmosphere ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Global wind patterns ,[object Object],[object Object],[object Object],[object Object]

Climate patterns and moisture distribution

Wind patterns ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Outdoor air pollution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],Natural sources pollute: dust storms

Natural sources pollute: volcanoes ,[object Object],[object Object],[object Object]

Natural sources pollute: fires ,[object Object],[object Object],[object Object],[object Object]

Types of outdoor air pollution ,[object Object],[object Object],[object Object],[object Object],[object Object]

Legislation addresses pollution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The EPA sets standards ,[object Object],[object Object],[object Object]

Criteria pollutants: carbon monoxide ,[object Object],[object Object],[object Object],[object Object],[object Object]

Criteria pollutants: sulfur and nitrogen dioxide ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Criteria pollutants: tropospheric ozone ,[object Object],[object Object],[object Object],[object Object],[object Object]

Criteria pollutants: particulate matter and lead ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Areas in the U.S. fail air quality standards

Agencies monitor pollutants ,[object Object],[object Object],[object Object],[object Object],[object Object]

U.S. air pollution ,[object Object]

Air pollution has decreased since 1970 ,[object Object],[object Object]

Reasons for the decline in U.S. pollution ,[object Object],[object Object],[object Object],[object Object],[object Object]

Toxic substances also pollute ,[object Object],[object Object],[object Object],[object Object],[object Object]

Recent policies have been contentious ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Burning fossil fuels produces industrial smog ,[object Object],[object Object],[object Object],[object Object],[object Object]

Photochemical (brown air) smog ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],Industrial smog Photochemical smog

Air quality is a rural issue, too ,[object Object],[object Object],[object Object],[object Object],[object Object]

Industrializing nations face increasing pollution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Synthetic chemicals deplete stratospheric ozone ,[object Object],[object Object],[object Object],[object Object],[object Object]

The hole in the ozone ,[object Object],[object Object],[object Object]

The Montreal Protocol addressed ozone depletion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Montreal Protocol is a success ,[object Object],[object Object],[object Object],[object Object]

Acid deposition is another transboundary issue ,[object Object],[object Object],[object Object]

Sources of acid deposition ,[object Object],[object Object]

Effects of acid deposition ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

pH of precipitation in the U.S. ,[object Object]

Acid deposition has not been greatly reduced ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Indoor air pollution ,[object Object],[object Object],[object Object],[object Object],[object Object]

Indoor air pollution in the developing world ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tobacco smoke and radon ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Volatile Organic Compounds (VOCs) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sources of indoor air pollution

Living organisms can pollute indoors ,[object Object],[object Object],[object Object],[object Object],[object Object]

We can reduce indoor air pollution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object]

QUESTION: Review ,[object Object],[object Object],[object Object],[object Object],[object Object]

QUESTION: Interpreting Graphs and Data ,[object Object],[object Object],[object Object],[object Object],[object Object]

QUESTION: Viewpoints ,[object Object],[object Object],[object Object],[object Object],[object Object]

Ch17 lecture 3e

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Ch17 lecture 3e

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