By Carlos Henrique Lima
Nordeste, the driest region in Brazil, has been castigated by heavy rainfall in the last two months. Yesterday a dam broke in the state of Piaui killing at least four people. The video below shows a partial bridge that collapsed after the dam break. The media shows every day more and more news about natural catastrophes. But is there enough evidences and facts to affirm that the frequency of extreme rainfall events is increasing across the globe? If so, can we blame global warming? or we just don’t understand the nature yet?
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