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Period: 900 to 1300
The Medieval Warm Period brings warm weather to Europe.
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Period: 1350 to
The Little Ice Age hits part of the northern hemisphere.
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Period: to
Average surface air temperatures increase by 0.25 °C.
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Studies by the US Department of Energy increases worry about future global warming.
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First major conference on the greenhouse effect, which took place in Austria. They predicted the global mean temperature would rise (in the next century) higher than ever before.
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Warmest year since records began.
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Climate Change Convention, which was signed by 154 nations. It agrees to prevent “dangerous” warming from greenhouse gases.
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The hottest year recorded to date.
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Kyoto Protocol adopted.
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Internationally, it is the third hottest year on record. However, Europe experiences the hottest summer for at least 500 years.
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The polar bear is listed as an endangered species because of the risk to its habitat due to climate change.