This document provides information about the third year of the Green Business Challenge (GBC) program in Charleston, South Carolina. It highlights that the third year of the program will run from March 1, 2013 to February 28, 2014. It encourages participants to sign up online, set goals in various environmental and social categories, and track their energy, water, waste and recycling data over the year. The document also recognizes top performers from the previous year and outlines the process and timeline for the third year of the program.