Major Environmental Issues of Our World. Global Atmospheric Changes and Air Quality Issues.

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Presentation transcript:

Major Environmental Issues of Our World

Global Atmospheric Changes and Air Quality Issues

Global Climate Change Mean annual global temperature,1960– 2003

Global Climate Change The Causes of Global Climate Change CO 2 in the atmosphere

Global Climate Change The Causes of Global Climate Change Enhanced Greenhouse Effect

Global Climate Change Effects of Global Climate Change Melting Ice and Rising Sea Levels

Global Climate Change Effects of Global Climate Change Effects on Organisms Present range of beech trees Predicted range after climate change

Global Climate Change Effects of Global Climate Change Melting Ice and Rising Sea Levels Melting permafrost

Global Climate Change International Implications of Global Climate Change Highly Developed versus Developing Nations

Global Climate Change Specifics on How to Deal with Global Climate Change Less mitigation More greenhouse gases produced More serious climate change effects Greater impact on humans and natural environment More adaptation required

Ozone Depletion in the Stratosphere- Due to CFC’s Reduced levels of ozone Normal levels of ozone

Acid Deposition +Acid rain Measuring Acidity

Acid Deposition How Acid Deposition Develops

Acid Deposition Acid Deposition and Forest Decline

Acid Deposition

Air Pollution Issues

The Atmosphere as a Resource Atmospheric composition: Nitrogen = 78% Oxygen = 21% Argon = 0.93% Carbon dioxide = 0.04%

Types and Sources of Air Pollution Primary and Secondary Air Pollutants

Types and Sources of Air Pollution Primary Air Pollutants

Types and Sources of Air Pollution Sources of Outdoor Air Pollution

Urban Air Pollution

Types and Sources of Air Pollution Case-in-Point: Air Pollution in Los Angeles and Mexico City Sources of smog in Los Angeles

Controlling Air Pollution in the United States Clean Air Act Emissions in the US, 1970 vs. 2000

Air Pollution Around the World Many nations do not have most current pollution scrubbing technologies Air pollution in China

Air Pollution Around the World Long-Distance Transport of Air Pollution: Global Distillation Effect

Indoor Air Pollution

Radon Carcinogen