First celebrated in 1970, Earth Day marks the anniversary of the beginning of the modern environmental movement in 1970, when on April 22 an estimated 20-million Americans demonstrated for a healthy, sustainable environment in rallies across the country. We’re marking its 49th anniversary with a show on location in a building that’s been retrofitted to be as ‘green’ as possible. We’re in downtown Fort Myers at the Southwest Florida Community Foundation’s Collaboratory . We’re going to spend the