SAO PAULO - Climate change made the recent flooding that devastated southern Brazil twice as likely, a team of international scientists said on Monday, adding that the heavy rains were also intensified by the natural El Nino phenomenon.
By combining weather observations with results from climate models, the scientists estimated that climate change had made the event in southern Brazil twice as likely and around 6% to 9% more intense. The El Nino phenomenon, which contributes to higher temperatures in many parts of the world and boosts rainfall and flood risk in parts of the Americas, also played a part in the recent disaster, the scientists noted.
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