which Ms Velásquez says is a sign of oil pollution In places, a film with iridescent swirls could be seen on the surface of the water - a distinctive signature of contamination by oil.

Plastic waste is recognized as a major cause of environmental harm, with products like water bottles, plastic bags and clothing fibers acknowledged as major contributors to plastic pollution—but ...

The world’s top producer of natural mineral water is struggling to keep its sources clean of contaminants, from pesticides to bacteria to animal fecal matter. If it filters its water it loses its ...