Ice-cream Global warming is making earth hotter than before. The average earth temperature increased 2 degrees recently. Actually, there are many ways to avoid global warming. One of those methods is using eco-bulb in our daily life. Energy efficient bulb can make earth cooler. It is like ice-cream to the earth. 全球暖化使得地球比以前更加炎熱，近幾年全球平均上升攝氏兩度，事實上有很多種方法能改善現在這個狀況，其中一項方法就是選用符合經濟效應的省電燈泡，它能減少溫室氣體的總量史地球更加涼爽，就好像給地球吃冰淇淋。