The Cool Congregations Challenge is an annual national contest to recognize “Cool Congregations” that are becoming energy efficient and sustainable role models within their communities. The contest is brought to you by Interfaith Power & Light, a nonprofit organization working to inspire and support a religious response to global warming. There are no fees to enter. To receive your free entry guide, click here. Entries for the 2013 Challenge will be due on January 31, 2014.