Something weird seems to be happening to our weather - it appears to be getting more extreme. In the past few years we have shivered through two record-breaking cold winters and parts of the country have experienced intense droughts and torrential floods. It is a pattern that appears to be playing out across the globe. Hurricane chasers are recording bigger storms and in Texas,...$全球气候变化与应对。$气象系统是如此复杂,以致于若没有卫星提供全球范围的气象数据,就无法预测局部地区的天气,预测极端天气也只能给出一定概率。而这个概率,已经变得越来越大。大至左右战局的诺曼底登陆能否成功,小至一把斯特拉迪瓦里小提琴能否拥有出众美妙的音色,一切都与全球气候息息相关。$人类作为生命的一种还能存在多久?$普通科普。$送一个小提琴的质地引发的血案令人深思