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What Is An Ecosystem?
Ecosystem definition
Living And Nonliving Things
Working Together To Form A
Unique Environment.
Puget Sound From Space
You are here
Air
Air
What My choices & air quality
Are The
Connections
Between My
Choices And
The Quality
Of Our Air?
Source: (sky) Bombia Design
(traffic) capsweb
(walking) istockphotos.com
(biking) istockphoto.com
Why is Fresh, Clean Air Important?
Why Is
Fresh,
Clean Air
Important?
Where Does Air Pollution Come From?
Where Does
Air Pollution
Come From?
Source: iom-world.org
Percent Contribution to Emissions
of Criteria Air Pollutants
Fireplaces & Stoves
68%
Off-road mobile
Cars & Trucks
25%
Big Industry
3% 3% 1%
Outdoor Burning
Source: (data) Puget Sound
Clean Air Agency
(garbage fire) istockphoto.com
(fireplace) ebibleteacher.com
(industry) lbl.gov
(traffic) capsweb
(airplane) istockphoto.com
Air Game (1)
Air Game (2)
Car
or
Car
or
Car
or
Car
Car
or
or
Truck
Truck
Truck
Truck
Truck
Cards
Cards
Cards
Cards
Cards
Mass
Mass
Mass
Mass
Mass
Transit
Transit
Transit
Transit
Transit
Cards
Cards
Cards
Cards
Cards
Human
Human
Human
Human
Human
Human
Powered
Powered
Powered
Powered
Powered
Powered
Cards
Cards
Cards
Cards
Cards
Cards
Air Game (3)
Car
or
Car
or
Car
or
Car
Car
or
or
Truck
Truck
Truck
Truck
Truck
Cards
Cards
Cards
Cards
Cards
Mass
Mass
Mass
Mass
Mass
Transit
Transit
Transit
Transit
Transit
Cards
Cards
Cards
Cards
Cards
Human
Human
Human
Human
Human
Human
Powered
Powered
Powered
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Powered
Powered
Cards
Cards
Cards
Cards
Cards
Cards
Air Game (4)
Car
or
Car
or
Car
or
Car
Car
or
or
Truck
Truck
Truck
Truck
Truck
Cards
Cards
Cards
Cards
Cards
Mass
Mass
Mass
Mass
Mass
Transit
Transit
Transit
Transit
Transit
Cards
Cards
Cards
Cards
Cards
Human
Human
Human
Human
Human
Human
Powered
Powered
Powered
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Powered
Powered
Cards
Cards
Cards
Cards
Cards
Cards
Air Game (5)
Air Game (6)
Car
or
Car
or
Car
or
Car
Car
or
or
Truck
Truck
Truck
Truck
Truck
Cards
Cards
Cards
Cards
Cards
Mass
Mass
Mass
Mass
Mass
Transit
Transit
Transit
Transit
Transit
Cards
Cards
Cards
Cards
Cards
Human
Human
Human
Human
Human
Human
Powered
Powered
Powered
Powered
Powered
Powered
Cards
Cards
Cards
Cards
Cards
Cards
Air Game (7)
Air Game (8)
Car
or
Car
or
Car
or
Car
Car
or
or
Truck
Truck
Truck
Truck
Truck
Cards
Cards
Cards
Cards
Cards
Mass
Mass
Mass
Mass
Mass
Transit
Transit
Transit
Transit
Transit
Cards
Cards
Cards
Cards
Cards
OK!
Human
Human
Human
Human
Human
Human
Powered
Powered
Powered
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Powered
Cards
Cards
Cards
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Cards
Air Game (1)
Some Gases in Car Exhaust Contribute
to Global Warming
Layers of the Atmosphere
Source: we-energies.com
Worldwide Impacts—Climate Change
• Changing ecosystems
– Temperature
– Rainfall
• Sea level rise
• More intense storms/
weather events
• Increased risk of
species extinction
Source: United Nations Intergovernmental
Panel on Climate Change
Northwest Impacts—Climate Change
• Changes in rain patterns
– Winter flooding
– Summer drought
• Less snowpack in the
mountains
• Increased potential for
forest fires
• Degraded salmon habitat
Source: UW Climate Impacts Group
Northwest Impacts—Climate Change
South Cascade Glacier, 1928
South Cascade Glacier, 1928
Source: US Geological Survey
Northwest Impacts—Climate Change
South Cascade Glacier, 1966
South Cascade Glacier, 1966
Source: US Geological Survey
Northwest Impacts—Climate Change
South Cascade Glacier, 2006
South Cascade Glacier, 2006
Source: US Geological Survey
Atmospheric Co2
concentration (ppmv)
Increasing Levels of CO2...
360
340
320
300
280
260
1750
1800
1850
1900
1950
2000
Year
...Warm the Earth
Source: factsontheback.com
Where Do
Greenhouse
Gases Come
From?
Source: iom-world.org
Where Do
Greenhouse Gases Come From?
Percent Contribution to Emissions
of Greenhouse Gases
Fireplaces & Stoves
Off-road Mobile
Cars & Trucks
Big Industry
Outdoor Burning
Electricity
Agriculture & Landfills
19%
1%
4%
15%
9%
13%
Source: Puget Sound Clean Air Agency
39%
Homework p.1
Homework p.2
Tonight’s Homework:
The White Pages
Be Ready For The Next
Time We Meet! Thanks!
Bronchi, Bronchial Tree, and Lungs
Source: www.training.seer.cancer.gov
Healthy vs. Unhealthy Lungs
Source: (left) uh.edu
(right) South Coast Air Quality Management District
Our Region’s Air Quality Index
Descriptor
Precautions
Good
None
Moderate
Unusually sensitive people should consider limiting prolonged
outdoor exertion
Unhealthy for
Sensitive Groups
Active children and adults, and people with respiratory disease,
such as asthma, should limit prolonged outdoor exertion
Unhealthy
Active children and adults, and people with respiratory disease,
such as asthma, should avoid prolonged outdoor exertion;
everyone else, especially small children, should limit outdoor
exertion
Source: Puget Sound Clean Air Agency
Layers of the Atmosphere
Protective
Ozone Layer
30 miles
Stratosphere
Troposphere
smog
Source: Environmental Protection Agency
6 miles
Nationwide Emissions
Big Industry
Miscellaneous
Waste Disposal & Recycling
Offroad Mobile
Cars & Trucks
8%
13%
53%
24%
Source: www.epa.gov
2%