CLIMATE CHANGES: Jon Dickinson, the New York City Office of Environmental Coordination deputy director, delivers the keynote address for Focus the Nation, a nation-wide day of education, discussion and activism to address climate change, in Memorial Chapel Jan. 31. Wesleyan was one of 1,550 universities, schools, businesses, and places of worship that took part in Focus the Nation. Dickinson focused on proposed climate change, air and water quality, transportation and clean energy initiatives in the New York City area. To a full chapel audience, Dickinson said New York City's goal is "to have the cleanest air quality of every city…