In Concord,Thoreau’s notes evidence of climate change

in 2013, College and Graduate School of Arts and Sciences, MetroWest Daily News, Newsmakers, Richard Primack
July 22nd, 2013

primack-thoreau1MetroWest Daily News
Richard Primack, College of Arts & Sciences

After his walks, Henry David Thoreau recorded the dates garlic mustard, pink lady slippers and dozens of local flowers bloomed, never imagining a Boston scientist would use his observations 150 years later to prove spring is now arriving earlier with dramatic environmental consequences…

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