Praying for rain
The Zuni tribe's homeland is one of the most parched sections of the country. The tribe has already declared three drought emergencies in the last 15 years. Will it survive the next one?
As the Salton Sea shrinks, it leaves behind a toxic reminder of the cost...
Scientists fear that eventually the toxic residue of more than a century of agricultural runoff will be blown into the air — and into the lungs of residents.