Records dating back to Thoreau show some sharp shifts in plant flowering near Walden Pond
Wednesday, October 29, 2008 - 15:21
in Earth & Climate
(PhysOrg.com) -- Drawing on records dating back to the journals of Henry David Thoreau, scientists at Harvard University have found that different plant families near Walden Pond in Concord, Mass., have borne the effects of climate change in strikingly different ways. Some of the plant families hit hardest by global warming have included beloved species like lilies, orchids, violets, roses, and dogwoods.