BIO 317
Conservation of Wildlife Resources

Air & Air Pollution


Earth's atmosphere:


Air pollution


Major Classes of Air Pollutants:


Ozone Animation
8-hour Average Concentration
(Yellow = moderate ozone levels;
Orange = Unhealthy for sensitive groups, e.g., those with respiratory diseases such as asthma)
Wednesday, 25 July 2001
Source: EPA
 


Source: Environmental Protection Agency
Map shows where pollutants exceeded EPA standards in September, 1996.

Smog


Effects of Air Pollution on Human Health


Effects of Air Pollution on other animals & plants:


Acid Precipitation

Where do acids come from?


http://www.epa.gov/airmarkets/acidrain/

Acid Transport


Source: EPA

Average annual pH of rainfall:


The pH scale and acid rain:


Effects of Acid Deposition


Controlling Acid Deposition


Global Warming


Source: EPA

What do we know?


Possible Effects of a Warmer World


Source: http://www.fao.org/NEWS/FACTFILE/FF9721-E.HTM



Slowing Global Warming


Any progress in meeting these objectives?


Greenhouse Gas Emissions in the U.S.
Source: EPA

Useful links:

Climate Ark - The Premier Climate Change & Renewable Energy Portal

EPA's Global Warming Site

Global Warming: Early Warning Signs

Guide to the Climate Change Negotiation Process


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