bobbyboy wrote:Just came across this article in the Guardian about "Global Dimming".Seems bad news for solar power:
Scientists say climate change hitting Rockies hard
(CBC) - Glaciers in Canada's Rocky Mountains are melting fast, scientists say, making them a barometer for climate change in Canada. Some of the glaciers in the mountains have lost 70 per cent of their volume in the past 100 years, scientists say.
The Rocky Mountain glaciers provide most of Western Canada's fresh water. "Every year there is more ice melting than going in. Over the last five years it's accelerated rapidly. The glaciers are really retreating," said University of Calgary climatologist Shawn Marshall.
Of the cold summers in the period 1811 to 1817, the year 1816 has gone down in the annals of New England history as "The Year There Was No Summer," the "Poverty Year" and "Eighteen Hundred and Froze to Death."
... The most likely cause was volcanic influences. Proponents note that a number of major volcanic eruptions preceded 1816: Soufriére and St. Vincent in 1812: Mayon and Luzon in the Phillippines during 1814; Tambora in Indonesia during 1815. The volcanic theory of climatic influence relates increased volcanic activity with decreased temperatures due to the increased reflection of solar radiation from volcanic dust blown and trapped high in the atmosphere.
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