10,000 endangered frogs die in Peru

Peru is investigating what killed some 10,000 Titicaca water frogs, a critically endangered species affectionately known as the "scrotum frog," in a river that is feared to be polluted, authorities said Monday.

Small-scale gold mining impacts river algae in French Guiana

Small-scale gold mining in French Guiana is having long-term effects on diatoms, small single-celled algae, by eliminating the species that are most vulnerable to water turbidity. The findings come from research carried out ...