Tree-Rings Prove Climate Was WARMER In Roman And Medieval Times Than It Is Now

Global cooling: It is the first time that researchers have been able to accurately measure trends in global temperature over the last two millennia

Tree-Rings Prove Climate Was WARMER In Roman And Medieval Times Than It Is Now - And World Has Been Cooling For 2,000 Years -- Daily Mail

* Study of semi-fossilised trees gives accurate climate reading back to 138BC
* World was warmer in Roman and Medieval times than it is now

How did the Romans grow grapes in northern England? Perhaps because it was warmer than we thought.

A study suggests the Britain of 2,000 years ago experienced a lengthy period of hotter summers than today.

German researchers used data from tree rings – a key indicator of past climate – to claim the world has been on a ‘long-term cooling trend’ for two millennia until the global warming of the twentieth century.

This cooling was punctuated by a couple of warm spells.

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My Comment: More fuel to the climate warming debate.