Study finds airborne release of toxin from algal scum

A dangerous toxin has been witnessed—for the first time—releasing into the air from pond scum, research published in the peer-reviewed journal Lake and Reservoir Management today shows.

Mine ponds amplify mercury risks in Peru's Amazon

The proliferation of pits and ponds created in recent years by miners digging for small deposits of alluvial gold in Peru's Amazon has dramatically altered the landscape and increased the risk of mercury exposure for indigenous ...

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