Wells overpumping groundwater could be forcing rivers to seep underground, a new study shows. Regions with intensive ...

conducted by researchers from Brazil and abroad, was published in the journal Nature Communications. "Due to climatic conditions and intense agricultural activity, the São Francisco River basin ...

Further away, on the two river banks and forming mounts of up to 150 m high, lie the São Francisco dunes. A surprising ecological reserve, this is one of the areas of Brazil with the greatest ...