Related topics: ocean

Environmental toxin PCB found in deep sea trench

PCB has been banned in most countries since the 1970s, but that doesn't mean it no longer exists. Now, deep-sea researchers report that they have found PCB at the bottom of the Atacama Trench in the Pacific Ocean.

UN body mulls deep sea mining amid demand for minerals

Pressure is mounting on an obscure U.N. body based in Jamaica to hit pause on plans to potentially open the world's deep seas to mining as companies push for permission to extract metals from seabeds in international waters.

Scientists uncover ice-age shift in Pacific Ocean circulation

The overturning circulation of the Pacific Ocean "flipped" during the last ice age, altering the placement of ancient waters rich in carbon dioxide, according to Earth system scientists at the University of California, Irvine.

page 6 from 40