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http://www. epa . gov / acidrain /site_students/acid_ anim .html

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The Increase in Acid Rain over Europe

This was the acid rain

problem in 1960

This was the acid rain

problem in 1980

Imagine what it is like now!

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What is Acid Rain?

NATURAL Causes:

CARBON DIOXIDE (CO2) in the atmosphere.

HUMAN Causes:

Emissions of SULPHUR DIOXIDE (SO2) and NITROUS OXIDES (NOx) from cars and factories.

Acid rain is in fact rain which has been turned acidic (acid is a pH of 6.0 or below) when water in clouds chemically reacts with natural CO2 or human pollution.

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What does acid rain harm natural environments?

ANIMALS

SOIL

LAKES, RIVERS and OTHER WATER BODIES

TREES and OTHER VEGETATION