A global review of more than 6,000 records shows that water pollution now affects nearly half of the world’s waters.

A mangrove conservation project in Guanabara Bay has shown how a dying ecosystem can be transformed into a thriving sanctuary With deep blue waters flanked by dramatic peaks, Guanabara Bay is the ...

The history of metal pollution in the city of São Paulo, the largest metropolis in Brazil and the Southern Hemisphere, can be read in the layers of sediment accumulated over the last century. Using ...

Pollution from the controlled fires that burn across Brazil's São Paulo state during the sugarcane-harvesting season has a negative impact on infant health nearby. But the health of those same infants ...