Nobody know for sure what effect global warming has ____our

what is global warming? global warming 和greenhouse effect的区别. 高中英语分析句子：the effect global warming has on man's existence is 翻译：what is global warming? what can wo do about Global Warming global warming Nowadays,( )problem of global warming has been very serious what can we do about global warming?课文 What is Global Warming and how do deal with it? What is China doing to prevent the global warming climate? Further,for those problems like global warming and terrorism global warming的作文