Perpetual Ocean

The swirling flows of Earth’s perpetually changing ocean come to life in a new NASA scientific visualization that captures the movement of tens of thousands of ocean currents.

Chilean Court Approves Huge Patagonia Dam

Chile’s Supreme Court has green-lit the highly controversial HidroAysén dam project in Patagonia, which environmentalists say will wreck a unique and pristine habitat in the southern tip of South America.

Sediment in the Río de La Plata

A glimpse at the complicated mixing processes that occur at the interface of the muddy fresh water from the Paranà River flowing into the Río de La Plata estuary on the eastern coast of South America, and the ocean water of the South Atlantic, in an area known as a turbidity front.

Sand Mining Throughout Coastal Liberia

The city of Buchanan, Liberia, is gradually being swept away by sea erosion. But there is an even more serious matter – an impending environmental danger- that should claim the urgent attention of the government. It is the issue of sand mining in Monrovia and its environs.