TRAVERSE CITY— Hundreds of people from northwest Lower Michigan will gather at the Traverse City Open space on Saturday, Oct. 24, at 1 p.m. to urge world leaders to take bold action in Copenhagen in December when they gather to write a new treaty to curb dangerous climate change. Those at the park will arrange themselves into a giant number, 350, and pose for an aerial photograph, which will then be beamed to Times Square in New York City. There it will be displayed on the Square’s signature g...