碳排放 (能源消耗), 增加定減少? (改了題, 本為:環保意識弱 學生穿毛衣開冷氣) - http://go2nature.net/forum/viewtopic.php?p=1267162#1267162

We’ve collected puzzling recycling questions from children around the country. The answers could help your family understand the process better. - https://www.nationalgeographic.com/family/article/what-kids-really-want-to-know-about-recycling