Vikings grew barley in Greenland

One more piece to the puzzle. The Medieval Warm Period was not only real – it was global. Evidence from all over the planet rushes in. Barley in Greenland, red wine in Northern England, confirmation from China, North America, and Antarctica. Alarmists – answer a question. If it was warmer than now in Greenland 800 years in the past, and we had those warm periods many times and stretching for more than 100 years – if all this happened before humans put additional CO2 in the air, how on Earth do you back up your claim that this one time, the modern warm period is the only one thats due to CO2? What were the others due to? The evidence stares in your face.

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