Nice timing: Amid a cold and late spring for much of the U.S., the Concord Museum just opened their "Early Spring, Henry Thoreau and Climate Change" exhibition

Climate Change Is Disrupting Nature’s Calendar. Thoreau’s Notebooks Are Helping Show Us How. - The Equation

Spring is not what it used to be. The seasonal cycles that generations of naturalists, including Henry David Thoreau and Aldo Leopold, documented so meticulously in their field notes are being thrown badly off kilter by climate change.
...
Primack’s work forms the core of a fascinating new exhibition that has just opened at the Concord Museum and will run until September 15, 2013: Early Spring, Henry Thoreau and Climate Change.

Bad spring for late calving | Grand Forks Herald | Grand Forks, North Dakota

[May u, 2013] Heavy snows and unusually cold temperatures this April have made life miserable for many late-calving ranchers...“It’s the winter that will not die,” he says.

Concord Museum: Early Spring

Early Spring: Henry Thoreau and Climate Change will be accompanied by a number of associated programs for families, students, teachers, and all those interested in the environmental challenges facing citizens today.

Featured Speaker: Bill McKibben, Thursday, April 25
Bill McKibben, an American environmentalist, author, and journalist who has written extensively on the impact of global warming.