The average U.S. hydroelectric plant has been operating for 64 years. Such a lengthy service record shows the plants have staying power. But it also invites questions about aging hydro control systems ...

Tile drainage is a system of pipes installed below ground to remove excess water from farmland soil. Just as irrigation is often necessary to deliver water to soil and crops, drainage is important in ...

Penetration of surface meltwater to the bed of the Greenland Ice Sheet each summer causes an initial increase in ice speed due to elevated basal water pressure, followed by slowdown in late summer ...