Notice and change the behavior of energy usage. Suitabale for a student from Por 6 - Mor 3. Limit 80 students. A student can detect the daily routine which release the CFC which is causes to the global warming. They can calculate the CO2 released from the home electrical usage. They can evaluate the life circle of 2 products. Comparing to the material, producing, disposing or affects. So they can explain the guideline and how to decrease the global warming in daily routine.