The race to find out what killed hundreds of pink dolphins in the Amazon in pictures
Briefly

The longest drought in recorded history affected the Solimoes River region, with emergency supplies of drinking water being carried by residents, highlighting community resilience against environmental challenges.
Research on river dolphins, a unique freshwater species under threat, showed that rising water temperatures during last year's drought could lead to extinction if conditions do not improve.
The Mamiraua Institute's study revealed that the disturbance in the ecosystem resulted in a massive fish die-off due to low oxygen levels, raising alarms about the health of the Amazon.
The need for urgent research is clear, as scientists aim to determine the cause of the dolphin deaths to inform necessary conservation efforts ahead of potential drought.
Read at www.theguardian.com
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