Earth Day (TOMORROW!) is a world-wide celebration.  Some estimates put the expected number of people participating in related events this year at upwards of 500 million.  But there are few places where Earth Day means more than it does in my home state of Wisconsin.  Gaylord Nelson, founder of Earth Day, was a senator and former governor from our state, and he had a lot of company and strong support:  John Muir, Aldo Leopold, Sigurd Olson and Frederick Jackson Turner are just a few of America’s environmental heroes who have roots in this state in the middle of America.

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