Climate Change, with Help from Henry David Thoreau

For several years, Richard Primack has been prowling Walden Pond in Concord, Mass., chronicling [...]spring’s curtain-riser, the arrival of leaves and buds, the same details Henry David Thoreau carefully recorded a century and a half ago. Primack, a College of Arts & Sciences biology professor, who pioneered the study of the effects of climate change on New England, has used Thoreau’s records to confirm that leaf-out arrives earlier today than it did then—a barometer of global warming.

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Tags: ecology, biology, research, sustainability, global warming, richard primack, climate change, david thoreau, leafing-out

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