Sewage could be killing southern sea otter
A sudden rise in the death-rate of southern sea otters along the Californian coast, which means that they will soon become endangered, could be due to parasitic diseases from sewage outfalls, say
A sudden rise in the death-rate of southern sea otters along the Californian coast, which means that they will soon become endangered, could be due to parasitic diseases from sewage outfalls, say