Threats to the Environment

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Presentation transcript:

Threats to the Environment

Deforestation

Deforestation in Madagascar

Effects of Deforestation

Why Are Forests Cut Down Number one reason is to clear land for farms It occurs in the least developed areas of the world Population is growing in these areas

Water Pollution

Oil Spill

Sources of Water Pollution

Polluted River

Citarum River in Indonesia No, that’s not an old boat that was thrown onto a trash heap. That boat is actually floating on the world’s most polluted river.

Air Pollution

Air Pollution in China

Smog in Los Angles

Temperature Inversion

Sources of Air Pollution

Air Pollution and Health

Acid Rain

Acid Rain and Trees

Acid Rain and Masonry

Acid Rain in the United States

Causes of Acid Rain – Generation of Electricity

Pollution of the Land

Landfills

Extinction of Plants & Animals

Bengal Tiger

Siberian Tiger

Protecting the Environment EPA Established in 1970

Clean Air & Water Acts Passed in the 1970’s

Number of Environmental Laws

Clean Air & Automobiles

Areas that Meet the Standard are in Green

The Atmosphere & the Ozone Layer

Ozone & UV Rays Layer of gas in the upper atmosphere that protects the planet from ultraviolet rays.

The CFC Problem

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