Is this finally proof we're NOT causing global warming?
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  Posted on: Monday, March 26, 2012
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Is this finally proof we're NOT causing global warming?
Source: Daily Mail

Is this finally proof we're NOT causing global warming? The whole of the Earth heated up in medieval times without human CO2 emissions, says new study.

  • Evidence was found in a rare mineral that records global temperatures
  • Warming was far-reaching and NOT limited to Europe
  • Throws doubt on orthodoxies around 'global warming'

Current theories of the causes and impact of global warming have been thrown into question by a new study which shows that during medieval times areas as far apart as Europe and Antarctica both warmed up.
It then cooled down naturally and there was even a 'mini ice age'.

A team of scientists led by geochemist Zunli Lu from Syracuse University in New York state, has found that the 'Medieval Warm Period' approximately 500 to 1,000 years ago wasn't just confined to Europe.
In fact, it extended all the way down to Antarctica.

At present the Intergovernmental Panel on Climate Change (IPCC) argues that the Medieval Warm Period was confined to Europe.

However, Professor Lu has shown that this the Medieval Warm Period had a much broader reach - and the evidence lies with a rare mineral called ikaite, which forms in cold waters.
'Ikaite is an icy version of limestone,' said Lu. 'The crystals are only stable under cold conditions and actually melt at room temperature.'
It turns out the water that holds the crystal structure together - called the hydration water - traps information about temperatures present when the crystals formed.
This finding by Lu's research team establishes, for the first time, ikaite as a reliable way to study past climate conditions.
The mineral proved that Antarctica did warm up.

Lu says that his research has no direct bearing on the current climate, and points out that his research is restricted to one area in Antarctica, and is not in itself proof that the whole Earth warmed up.


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** For additional peer-reviewed scientific references and an in-depth discussion of the science supporting our position, please visit Climate Change Reconsidered: The Report of the Nongovernmental Planel on Climate Change (www.climatechangereconsidered.org), or CO2 Science (www.co2science.org).