地球妈妈该怎么办

网友回答：

they should cut down trees to make paper. trees can make the environment green. if they cut down， throw it into the recycling bin. my uncle and aunt can reuse it！ our teacher told us to protect the environment. why environmental protection? we asked. the

温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。