Nothing Unusual About Current Climate say Scientists
Very briefly, Liew et al. (2014) begin their recent report on the climatic history of Taiwan by describing how high-resolution pollen records from four lakes and a bog – which they recovered from both high and low altitudes in northern and southern Taiwan – were used together with radiocarbon dating to develop a 4000-year temperature history of the subtropical mountain island. 
The result of this effort was a temperature history that compares well with trends that previously had been developed for China and Europe. And again, very briefly, it revealed the occurrence of a relatively long cold period from approximately 1920 BC to 30 AD, which was followed by the Roman Warm Period (about 30-360 AD), which was followed by the Dark Ages Cold Period (about 360-760 AD), which was followed by the Medieval Warm Period (about 760-1300 AD), which was followed by the Little Ice Age (about 1300-1850 AD). Then, last of all, the record depicts the gradual development of the Current Warm Period, which at this point in time appears to be at its peak, having not risen further than where it is now over the past couple of decades.
Therefore, in light of these and other well-documented findings that are reported and analyzed in the Medieval Warm Period Project portion of the Data section of our website (co2science.org) – which can readily be accessed here – it can clearly be seen that there is nothing unusual, unnatural or unprecedented about the current state of earth’s warmth, which was clearly eclipsed by the Medieval Warm Period at various locations around the globe.
Read more at www.co2science.org
Related articles:
http://wattsupwiththat.com/2010/03/10/when-the-ipcc-disappeared-the-medieval-warm-period/
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