A film on global warming will be shown Nov. 30 at a gathering of the Worthington Tea Party.

A film on global warming will be shown Nov. 30 at a gathering of the Worthington Tea Party. Dublin Coffman graduate Robert Wagner, featured in the film "The Changing Climate of Global Warming," will speak at 7 p.m. Nov. 30 at the Worthington Municipal Building, 6550 N. High Street, before a viewing of the film. Wagner will give a short presentation on global warming at the Worthington Tea Party meeting, followed by a showing of the film that looks into the science and politics of climate change.