“变暖”用英语怎么说？

气温记录清楚无疑地证实了全球气候正在变暖。Temperature records have unequivocally confirmed the existence of global warming.许多人竟然不知道地球变暖的事实，实在令人担忧。Many people are worryingly ignorant of the facts about global warming.全球变暖是个严重的问题。Global warmin...