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Great Barrier Reef: 91% of coral damaged by bleaching, ‘heartbreaking’ study finds

By Victoria Seabrook

The world’s largest coral reef ecosystem suffered its sixth mass bleaching on record after being hit by three marine heatwaves, the Great Barrier Reef Marine Authority (GBRMA) said in its snapshot report of summer 2021-22.


Destructive Algae Blooms Persist In East Hampton Waters

By Michael Wright

Stony Brook University researchers who have been monitoring the tidal waters and ponds around East Hampton for a decade said that the summer of 2021 saw some of the highest… more


Ocean Warming Doubles Odds for Extreme Atlantic Hurricane Seasons

By Bob Berwyn Photo: Go Nakamura , Getty Images

For storm-battered residents of the Caribbean, the Southeast and the Gulf Coast, new research on hurricanes is rarely good news, with recent studies showing trends toward stronger storms that intensify suddenly near the coast and maintain their strength longer after hitting land.


A Big Climate Warning from One of the Gulf of Maine’s Smallest Marine Creatures

By Derrick Z. Jackson Photo: Gregory Rec

Given the rate at which the waters in the Gulf of Maine are heating up, Mainers may need to swap out the lobsters on their license plates for squid. All of New England could issue new specialty plates featuring creatures threatened by the speed climate change is slamming the gulf: a critically endangered right whale, a cute puffin or a vanishing cod.


The past’s extreme ocean heat waves are now the new normal

By Carolyn Gramling Photo: Chelle Gentemann , JPL

Yesterday’s scorching ocean extremes are today’s new normal. A new analysis of surface ocean temperatures over the past 150 years reveals that in 2019, 57 percent of the ocean’s surface experienced temperatures rarely seen a century ago, researchers report February 1 in PLOS Climate.


As waters warm and the lobster population booms off Canada, tensions rise between Indigenous and commercial fishermen

By David Abe Photo: Jessica Rinaldi/globe Staff

Under the close watch of federal officers on surrounding patrol vessels, Robert Sack navigated his old boat toward his clandestine traps in the cold waters that his people have fished for centuries, expecting to be arrested at any moment. In an act considered illegal by the Canadian government, Sack’s first mate dropped a grappling hook overboard to haul up a bounty of traps loaded with lobsters in what has become one of the world’s richest fishing grounds.


Climate Change and Harmful Algal Blooms

Scientists predict that climate change will have many effects on freshwater and marine environments. These effects, along with nutrient pollution, might cause harmful algal blooms to occur more often, in more waterbodies and to be more intense. Algal blooms endanger human health, the environment and economies across the United States.


To draw down carbon and cool off the planet, ocean fertilization gets another look

By Warren Cornwall

In January 2009, a German research ship set out for the Southern Ocean carrying 6 tons of iron and a boatload of controversy. The iron was meant to trigger a massive phytoplankton bloom that would suck carbon dioxide (CO2) from the air, but environmentalists objected, viewing the trial as a reckless form of geoengineering. The German government briefly suspended the work, before letting it go ahead. It would be the last iron fertilization experiment for more than a decade.


Rising From the Antarctic, a Climate Alarm

By Henry Fountain and Jeremy White

The immense and forbidding Southern Ocean is famous for howling gales and devilish swells that have tested mariners for centuries. But its true strength lies beneath the waves.


The lobster trap

By Penelope Overton Photo: Brianna Soukup , Portland Press Herald

A hard rain falls all around Johnny McCarthy, beading across the sprawling deck of his brand-new lobster boat, as he steers around the hidden threat of Folly Ledge through an ink-black night and into his home port.