Ginnie Springs is a true Florida oasis. Ringed by towering cypress trees, the spring-fed pools off the Santa Fe River in Gilchrist County draw thousands of visitors every year to swim and cool off in ...

In a remote village in the Himalayan foothills, Kiran Joshi stands with a smartphone timer in one hand and a red plastic bucket in the other. Carefully, she places the bucket under a stream of flowing ...