Sierra Group members continue to lead the way in protecting our natural resources! Several of our own Adopt-A-Stream volunteers have been recognized in recent years by both CobbCounty (Cobb's A-A-S program) and Georgia's...

Make A Difference: Reduce, Compost, and Repurpose Trash and waste, comes in different forms. There is paper, cardboard, plastic, metal, biodegradable waste, and non-biodegradable waste. Waste is created everywhere: at factories, companies,...

   So many things are involved in making a community sustainable. This space is dedicated to Centennial Group members' endeavors to educate themselves and others on the many possibilities. We are looking for ways to improve and promote...

Welcome to the Centennial Group's Smart Energy Page. Check back often for updates on issues related to Energy in our community.   We are working hard to give Georgians alternatives to coal fired power plants.  Please visit the ...