1930年代以来从未发生过,NOAA就抹去
大约10%的美国正在经历干旱,接近历史低点。部在NOAA说,这是真理历史上最糟糕的一年降雨量,也就是低于长期平均水平。
http://www.ncdc.noaa.gov/oa/raybet雷竞技最新climate/research/cag3/na.html
可以有任何怀疑,现在的天气是历史上最极端的?


http://trove.nla.gov.au/


http://trove.nla.gov.au/ndp/del/article/41498474?


http://news.google.com/newspapers


http://trove.nla.gov.au/ndp/del/article/30500817?

http://news.google.com/newspapers


http://trove.nla.gov.au/ndp/del/article/16978063?

http://news.google.com/newspapers

http://trove.nla.gov.au/ndp/del/article/37235418?


http://news.google.com/newspapers


http://trove.nla.gov.au/ndp/del/article/29178681?
这篇文章有用吗?