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Old Masters Paintings Hide Clues to a Past Climate

2014-03-30 14:30:00| Climate Ark Climate Change & Global Warming Newsfeed

Daily Climate: Deep red sunsets offer more than just a stunning backdrop for Old Masters' paintings: They can tell how dirty the air was when the painter picked up the brush. The degree of red in the skies depicted in historic paintings offers a proxy for pollution levels in the Earth's past atmosphere, according to a study published Tuesday. What's more, artists' sunsets have gradually gotten redder over the past 150 years, likely reflecting increased manmade pollution. Colorful red sunsets may make for...

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