Conservation International

Weighing in at 661 pounds, a giant stingray hooked by a fisherman in Cambodia’s Mekong River earlier this month has taken the title of world’s largest freshwater fish. Nicknamed “Boramy,” or “full moon” in the Khmer language, the female ray — which was released — raises ...

The most cost-effective way to keep fresh water clean for human use? Nature itself. Forests, rivers and wetlands filter out contaminants, store excess water, and in some cases even drive rainfall, so maintaining the health of those ecosystems — typically far upstream from population centers ...