During Millennium The world started to prepare to save the world by making the earth charter. This charter recognized by 5000 organization. UNESCE made International Decade of Sustainable Development Education. We all inherited Knowledge and Practice . World scouting, Girls and Boys participating these efforts by more then 640 million hours of service. Now the greatest Scouting activity proposing a theme on JOTA and JOTI on sustainable development goal 7 I prepared a set of Energy challenges with suggestions of activities. Here you will find them in a file and a ppt presentation. Please do one of the challenges and get its certificate. If you post your work with 8 scout or cubs at most ( A patrol). I will do my best and all gets E-certificates to all troops who make required activities and post their activities on scout.org in detail with service hours as a service Project.