A study published last month finds that the biggest factors behind the lake shrinking is reduced stream flow from the Bear, ...

Nonprofit advocates said the loss of U.S. foreign aid would impede but not stop their efforts to protect the Amazon and the ...

A stream south of the Argentine capital turned a freakish vermilion this week, prompting concerns about pollution. Officials ...

While tearing down a dam can cost millions of dollars, the price of keeping an obsolete barrier in place may be even steeper.

A stream winding through a populous area on the outskirts of Buenos Aires has turned crimson red in recent hours that has ...

Lake Shasta's water storage has increased by more than 500,000 acre feet over the past week. That's over half of the total ...