Michael NortonThroughout the world, people will celebrate Earth Day on April 22nd by doing everything from cleaning up neighborhoods to planting a tree. This week, WFPL’s Julie Goodwin talks with author Michael Norton about his new book, "365 Ways to Change the World: How to Make a Difference One Day at a Time", about some unique ways to make a difference.Metro Council InterviewsWFPL continues its series this week on Louisville’s Metro Council. WFPL’s Stephanie Sanders has interviewed each of the 26 council members, in an effort to get a clear picture of how the council has grown over the last four years.Last week, Sanders spoke with Representatives from Districts One, Two and Three – Judy Green, Barbara Shanklin and Mary Woolridge respectively.David Smedley CalvertDecember 21, 2012. That’s not a date that will strike fear into many people, but it is the date Mayans believe the world will end. To talk more about Mayan calendars, culture and health care, WPFL’s Susan Sweeney Crum caught up with David Smedley Calvert. Calvert spent several years living with the Mayans and has written a number of books of the subject.Listen to the show.