Confirmed: Global floods, droughts worsening with warming

The intensity of extreme drought and rainfall has "sharply" increased over the past 20 years, according to a study published Monday in the journal Nature Water. These aren't merely tough weather events, they are leading to ...

Severe storms swell Iguazu falls to 10 times normal flow

The famed Iguazu waterfalls on the border between Argentina and Brazil have registered 10 times their usual water volume after heavy rains, authorities said, closing one of the site's main tourist walkways for safety reasons.

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