

Troubling toll in Thoreau's backyard
Scientists say species drop amid warming

In the 1850s, a few years after he had gone to "live deliberately" in a cabin in the woods at Walden Pond, Henry David Thoreau began to compile detailed records on hundreds of species of plants in his beloved Concord. Those same data now are being used to measure the effect of climate change, and the news is not good, ... (Full article: 768 words)
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