The ocean's deep-sea bed is scattered with ancient rocks, each about the size of a closed fist, called "polymetallic nodules.

The ocean's deep-sea bed is scattered with ancient rocks, each about the size of a closed fist, called "polymetallic nodules.

Here, water velocity is reduced, and it is retained long enough to allow suspended sediments to sink to the bottom of the chamber Next, the water moves to the filter. The filter is simply a few layers ...

The U.S. Army Corps of Engineers has suspended a permit for the stalled Mid-Barataria Sediment Diversion project, citing the ...

India has begun work to boost reservoir holding capacity at two hydroelectric projects in the Himalayan region of Kashmir, ...

The U.S. Army Corps of Engineers has put a halt to the project's permit, saying the state "deliberately withheld" crucial ...