Lake Mead, Nevada's reservoir that California often ... Walmart and Target stores in one state introduce new cash rule World's longest underwater road tunnel will cost £46billion and cut 21 ...

He gestures to sandy islands, explaining that they were underwater until only a few months ago. For the past few decades, water levels at Lake Mead have ... from the rush of city life to visit.

A hidden reservoir of groundwater more than twice the size of Lake Mead is buried inside the Oregon Cascades, a new study reports. Scientists found that the underground aquifer holds at least 19.4 ...