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environmental time line
Created by
essey ephrem
Comments
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Updated
14 Oct 2017
Events
the clean air act is passed in the united states
world population reaches 4 billion
mt st. helens erupts in washington state
bophal disaster
world population reaches 5 billion
the Montreal treaty was created
the Kyoto protocol was signed
world population reaches 6 billion
the industrial revolution
the volcano Laki erupts in ice land
world population reaches one billion
World population reaches 2 billion
world population reaches 3 billion
Periods
mt. Tambora erupts in Indonesia
world war 1
world war 2
