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Articles sur Oceans

Affichage de 21 à 40 de 699 articles

Too much fresh water from Greenland’s ice sheet can slow the Atlantic Ocean’s circulation. Paul Souders/Stone via Getty Images

Atlantic Ocean is headed for a tipping point − once melting glaciers shut down the Gulf Stream, we would see extreme climate change within decades, study shows

Scientists now have a better understanding of the risks ahead and a new early warning signal to watch for.
Blue sharks are popular targets of a catch-and-release fishery along the southern coast of England. Vladimir Turkenich/Shutterstock

How trophy fishing can have a sustainable future

Trophy fishing is a big threat to some of the most threatened species of fish, but there are ways to adapt the sport with marine conservation in mind.
The bow of the U.S. Coast Guard cutter Duane, a decommissioned ship deliberately sunk off Florida to serve as an artificial reef. Stephen Frink via Getty Images

Not all underwater reefs are made of coral − the US has created artificial reefs from sunken ships, radio towers, boxcars and even voting machines

Artificial reefs are structures that humans put in place underwater that create habitat for sea life. A new study shows for the first time how much of the US ocean floor they cover.
A school of grunts on a sunken World War II German submarine in the Atlantic Ocean off North Carolina. Karen Doody/Stocktrek Images via Getty Images

Shipwrecks teem with underwater life, from microbes to sharks

When ships sink, they add artificial structures to the seafloor that can quickly become diverse, ecologically important underwater communities.
Canals carry PFAS into Miami’s Biscayne Bay. Art Wager/E+ via Getty Images

PFAS ‘forever chemicals’ are getting into ocean ecosystems, where dolphins, fish and manatees dine – we traced their origins

Scientists found PFAS hot spots in Miami’s Biscayne Bay where the chemicals are entering coastal waters and reaching the ocean. Water samples point to some specific sources.

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