Exploring the Bermuda Triangle: Greenpeace in the Sargasso Sea

Scientists and activists are on board a Greenpeace ship in the Sargasso Sea – one of the world’s most ecologically rich places you’ve probably never heard of. They’re making the case for it to become the first new ocean sanctuary under the Global Ocean Treaty.

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The Bermuda Triangle is in an area of the Atlantic called the Sargasso Sea – the only sea without a land border. 

It’s a place full of wonder; a golden floating rainforest home to turtles and whales and a nursery for even more incredible creatures.

Unfortunately, industrial fishing, plastic pollution and climate change are threatening this unique habitat. 

Greenpeace activists and campaigners have just arrived in the Sargasso Sea, ready to work with incredible scientists, local Bermudian conservationists and political figures. Check out the Ship’s Log below, updated day by day.

Together, we’re making the case that the Sargasso Sea needs to be properly protected – as one of the first ocean sanctuaries on the high seas under the Global Ocean Treaty.

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Surveying seabirds and underwater soundwaves

What do Greenpeace ships do?

The founding voyage

Activists set sail in 1971 to Amchitka island in an old boat called The Greenpeace to protest nuclear testing. Many victories since have been thanks to our ships.

Music at the top of the world

In 2016, the Arctic Sunrise took pianist Ludovico Einaudi and his grand piano for a performance on ice floes in the Arctic.

Building a boulder barrier in UK waters

Greenpeace ships were used in UK and Swedish waters to create extremely effective 'boulder barriers' to stop destructive fishing.

Taking youth activists to COP26

In 2021, the Rainbow Warrior brought youth activists from areas most affected by climate change to COP26 in Glasgow, to demand world leaders "stop failing us" climate.

En route to Bermuda, two local seabird conservationists joined the ship to document the different types of seabirds common to the Sargasso, and to determine if there has been any evident species loss. 

They recorded eight species including a European Storm Petrel and Manx Shearwaters, which both nest in the British Isles but migrate to the Sargasso to feed.

Now the Arctic Sunrise has docked in Hamilton, Bermuda, on the edge of the Sargasso Sea, where our next job will be surveying cetaceans – these are aquatic mammals like whales, dolphins and porpoises. 

Using an underwater microphone local scientists will analyse the creatures’ sounds to record how many of each species there are and where they are in the Sargasso Sea.

Greenpeace’s latest expedition: one year, two ships, seven stops – and boatloads of ambition

Throughout 2024 and 2025, Greenpeace ships are sailing to several ecologically-significant locations around our beautiful blue planet. 

Our iconic vessels will be spotted all round the world – from the deep sea plateau of Lord Howe Rise, south of Australia, to the vast underwater mountain range of Emperor Seamounts – the highest parts of which form the islands of Hawaii!

As only Greenpeace can, we’re working with world-renowned experts and local people to highlight to governments why these precious areas need protecting. As they all fall outside of national boundaries, countries will have to work together to preserve them.

This sounds like a daunting challenge, but one of our first ports of call, the Galápagos Islands, already boasts an impressive marine reserve.We saw firsthand how nature was flourishing inside its boundaries, contrasted with the evident species loss just outside. While we were there, we did scientific testing and tracked migratory species to make the case for other similar ocean sanctuaries across the globe.

A dark blue map of the world with sailboat icons in circular labels pointing out the Galapagos Islands, the Sargasso Sea, Colombo, Saya de Malha Bank & Seychelles, Emperor Seamounts, Lord How Rise and South Tasman Sea. There is a Greenpeace logo in the top and at the bottom "Ocean Sanctuaries Ship Expeditions, 2024"

Some of the key locations for proposed ocean protection that Greenpeace ships are visiting this year and next.

“It’s a unique privilege to assist local scientists with work that will lead to more areas being protected – providing our politicians act to sign the Global Oceans treaty into law. ”
Sophie Cooke, Lead Investigator on the expedition's work in the Galápagos Sign the petition
Sophie Cooke on MY Arctic Sunrise in Seychelles

Ship’s Log

5 May 2024

08:00 – Deployed hydrophone
08:30 – Last e-DNA test.
11:00 – Recorded whale song!
21:00-08:00 – Some of team on night watch.
Ship getting close to Bermuda…

4 May 2024

8:00 – Pulled in hydrophone and analysed results.
08.30, 13:30, 17:30 – e-DNA testing.
11:30 – Onboard briefing session for Bermuda culture dos & don’ts with whole crew (supported our local activist).
14:30 – Cameraperson captured images of a dolphin fish.
Conservationists very happy with seabird sightings so far.
Saw many whales from deck!

3 May 2024

8:00 – Pulled in hydrophone and analysed results
08.30, 13:30, 17:30 – e-DNA testing
14:30 – More whales spotted from deck .

2 May 2024

08:30 – First eDNA testing in the Sargasso Sea, then 13:30 and 17:30 every day.
12:00 – First small mat of Sargassum seaweed spotted, teeming with crabs and (unfortunately) plastic.
13:30 – Pod of around 20 short-finned pilot whales spotted from deck!
19:00 – Hydrophone deployed to listen for cetaceans over night

1 May 2024

07:00 – Seabird survey begins, every day at sunrise (7:00) until sundown (20:00).
All day – Most of team down with sea sickness! Usual in first 24 hours on board.

30 April 2024

14:00 – Scientists and activists on board. Arctic Sunrise launches from Nassau, the Bahamas, sets course for five-day transit N/NE across the Sargasso Sea to Hamilton, Bermuda.

An image of a green and white ship in a calm sea, against a horizon and blue and cloudy sky in the distance. On the ship's green side is the word Greenpeace and a rainbow motif with a white bird
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A man handles a very long thick yellow rope on baord a white ship with large green metal machinery in foreground
2/24

Life on board the Arctic Sunrise – getting ready to leave the Bahamas to head through the Sargasso Sea to Bermuda.

A man in a cap, glasses and suspenders stands in a ship's cabin writing something on a clipboard
3/24

The MY Arctic Sunrise is in transit from Nassau to the Sargasso Sea to highlight the beauty and uniqueness of the Sargasso and to champion its protection for future generations as part of a global network of ocean sanctuaries.

A figure with a camera silhouetted against blue sea and golden sargassum
4/24

Sargassum being photographed and filmed from underneath by a swimmer on the journey to the Sargasso Sea.

Side of the Greenpeace ship with someone leaning over with ropes
5/24

Greenpeace crew retrieve ghost nets on the journey to the Sargasso Sea.

A messy patch of old plastic rope with all sorts of thing tangled in it
6/24

Ghost nets (abandoned fishing gear) spotted on the way the Sargasso Sea, a place especially vulnerable to plastic pollution as it is surrounded by ocean currents

A very small orange crab on a human hand - it is about the side of a finger knuckle
7/24

A tiny crab found on the journey into the Sargasso Sea.

Four fins poke out of the sea
8/24

Short finned pilot whales seen during the journey to the Sargasso Sea.

Two people staring into the sunset beyond with binoculars
9/24

Scientists on board the Arctic Sunrise conduct a sea bird survey enroute to the Sargasso Sea.

A beautiful yellow sunset framed by black sea and dark clouds
10/24

Sunset seen during the transit from Nassau in the Bahamas to the Sargasso Sea.

A bird-like creature with wings creates a zigzag pattern on the surface of the sea
11/24

Flying fish seen skipping along the water during the journey to the Sargasso Sea

Two hands holding a piece of paper with a printed table on it, with handwriting filling up the boxes
12/24

Sea bird survey documentation.

A man looks through binoculars into the sun which reflects off the lenses
13/24

Binoculars are essential equipment for sea bird surveys

A whale-shaped tail and a body peek out of the sea
14/24

Cetaceans spotted during the voyage to the Sargasso Sea.

A woman is dropping a large purple tube into the sea over the side of a ship
15/24

The Greenpeace ship Arctic Sunrise is embarking on a voyage to the Sargasso Sea to highlight the beauty and uniqueness of the Sargasso and to champion its protection as part of a global network of ocean sanctuaries.

A woman pours something from a large tube into smaller containers on a countertop
16/24

A member of the Greenpeace crew works with an environmental-DNA sample from the Sargasso Sea to provide insights into the distribution and migration patterns of whales, dolphins and other marine animals.

A woman attaches something to what looks like a hose on a very large metal reel
17/24

Crew prepare for the deployment of the hydrophone, an underwater device that detects and records ocean sounds from all directions. The Arctic Sunrise is en route to the Sargasso Sea. The Sargasso is one of Greenpeace's three priority sites for…

A woman crouches by a hole in the side of a ship as a think wire is threaded from a from a reel to outside.
18/24

Crew prepare for the deployment of the hydrophone, an underwater device that detects and records ocean sounds from all directions.

A vide through a hole out to sea with a long rope out into the distance
19/24

Crew release the hydrophone

A red and white jellyfish swims against a light blue sea
20/24

Portuguese man o' war (Physalia physalis) seen during the voyage to the Sargasso Sea.

Two people with binoculars on the side of a ship, looking in different directions
21/24

Life on board the Arctic Sunrise

A large bird that looks like a seagull white with grey wings glides on its side
22/24

White-tailed tropic bird spotted during the Survey whilst on a voyage to the Sargasso Sea.

A board with many different kinds of plastic waste
23/24

Plastic found in the Sargasso Sea on 02/05/2024 at 28°27.4N 071°45.6W

Two dolphinlike marine animals swimming in a bright blue sea
24/24

Dolphinfish, Mahi-mahi seen during the voyage to the Sargasso Sea.

An image of a green and white ship in a calm sea, against a horizon and blue and cloudy sky in the distance. On the ship's green side is the word Greenpeace and a rainbow motif with a white bird
A man handles a very long thick yellow rope on baord a white ship with large green metal machinery in foreground
A man in a cap, glasses and suspenders stands in a ship's cabin writing something on a clipboard
A figure with a camera silhouetted against blue sea and golden sargassum
Side of the Greenpeace ship with someone leaning over with ropes
A messy patch of old plastic rope with all sorts of thing tangled in it
A very small orange crab on a human hand - it is about the side of a finger knuckle
Four fins poke out of the sea
Two people staring into the sunset beyond with binoculars
A beautiful yellow sunset framed by black sea and dark clouds
A bird-like creature with wings creates a zigzag pattern on the surface of the sea
Two hands holding a piece of paper with a printed table on it, with handwriting filling up the boxes
A man looks through binoculars into the sun which reflects off the lenses
A whale-shaped tail and a body peek out of the sea
A woman is dropping a large purple tube into the sea over the side of a ship
A woman pours something from a large tube into smaller containers on a countertop
A woman attaches something to what looks like a hose on a very large metal reel
A woman crouches by a hole in the side of a ship as a think wire is threaded from a from a reel to outside.
A vide through a hole out to sea with a long rope out into the distance
A red and white jellyfish swims against a light blue sea
Two people with binoculars on the side of a ship, looking in different directions
A large bird that looks like a seagull white with grey wings glides on its side
A board with many different kinds of plastic waste
Two dolphinlike marine animals swimming in a bright blue sea
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