Gray Whales Were Thought to Be Extinct in the Atlantic. So How Did Wally End Up Off the Riviera?

Somewhere in the Mediterranean, a 26-foot-long gray whale is exploring harbors and inlets as it tries to find its way back out to the Atlantic after veering thousands of miles off course.
Sharks use Earth’s magnetic field as ‘GPS’ guidance system

Scientists in Florida have concluded that sharks possess an internal navigation system similar to GPS that allows them to use Earth’s magnetic forces to travel long distances with accuracy.
EPA shuts polluting Caribbean refinery reopened under Trump

The Environmental Protection Agency has ordered an oil refinery in the US Virgin Islands to pause all operations, citing “at least four incidents” in which the facility significantly affected St Croix residents.
Global Effort to Save Dwindling Ocean Fish Faces Moment of Truth

After 20 years of negotiations, the World Trade Organization is accelerating an effort to end $22 billion in government subsidies that prop up fishing industries—a key driver of plummeting fish stocks all over the world.
Plastic gets to the oceans through over 1,000 rivers

The problem with plastic waste just got more complicated—and so did the effort to stanch its flow into the world’s oceans.
World will lose 10% of glacier ice even if it hits climate targets

A tenth of the world’s mountain glacier ice will have melted by the middle of this century even if humanity meets the goals of the Paris climate agreement…
How do sewage spills and failures pollute coastal watersheds?

Despite all the benefits that clean water and healthy beaches provide coastal communities across the county, coastal water quality continues to be threatened by discharges of stormwater and sewage.
Over 47 tons of plastic found at US marine reserve – and an entangled seal

In a span of just over three weeks, more than 47 tons of plastic waste were removed from America’s largest protected marine reserve, sometimes directly off animals, a stark reminder of the scourge of plastic pollution in the world’s oceans.
Thousands of barrels of suspected toxic DDT found dumped in California ocean

Marine scientists say they have found what they believe to be as many as 25,000 barrels possibly containing DDT dumped off the southern California coast near Catalina Island, where a massive underwater toxic waste site dating back to the second world war has long been suspected.