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ICUN Founded
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First death from mercury pollution (Minimata, Japan)
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WWF Founded
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Rachel Carson's "Silent Spring" published
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UN Biosphere Conference
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First Earth Day in the USA
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Gaia Hypothesis
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CITES started
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Antarctic Ozone Hole discovered
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Chernobyl disaster
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The Earth Summit in Rio de Janiero
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Kyoto Protocol
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"An Inconvenient Truth" documentary released