
Discover the Unknown. Protect the Deep.
Witness the hidden wonders of the Deep Arctic in real-time. Join Greenpeace and world-leading scientists as we explore the fascinating deep sea in the Arctic — a mysterious frontier of volcanic hot springs and ancient life-forms that have never seen the light of day.
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We are on a mission to document a world that we cannot afford to lose. Hidden deep beneath the Arctic lies a global treasure belonging to all of humanity, where ancient sponges thrive and whales gather. For the first time, Greenpeace is conducting a deep sea expedition to the Arctic together with a team of scientists from various renowned research institutions. We will explore the life and wonders of the Arctic deep sea – one of Earth’s least known wildernesses. Follow us as we are diving to provide scientific evidence to protect the deep sea, ensuring this ancestral home remains safe for generations to come.
The map
The “Banana Hole” is a unique pocket of international waters in the Arctic High Seas, home to seamounts and volcanic hot springs that act as a “living library” of our planet’s history. But this fragile ecosystem is under immediate threat: industrial mining companies want to strip the seafloor for minerals, which would permanently destroy ancient ecosystems and species before they are even discovered. Join us in the fight for long term protection of the deep sea.
Meet the Scientists
Dr. Sandra Schöttner

Sandra, lead scientist on this expedition, is a deep-sea ecologist and Greenpeace ocean expert with more than 25 years of experience in marine conservation and scientific research. Her scientific heart beats for Vulnerable Marine Ecosystems (VMEs) such as deep-sea corals and sponges. When she’s not immersed in all things ocean, she’s an avid ballroom and latin dancer, loves tending to her rooftop garden, and loses herself in poetry, theater, or interior design.

Dr. Paco Cárdenas

Paco is a world-leading sponge taxonomist at the Museum of Evolution at Uppsala University who explores the evolution and chemistry of animals older than the dinosaurs! When he isn’t identifying new species of these “living fossils” in the deep, he’s lost either in the wonderful zoology collections of the Museum or in a Swedish National Park. You might also catch him training in the art of parkour.
Dr. Julio A. Díaz

Julio is a deep-sea biologist from Mallorca who specializes in the “evolutionary puzzles” of the deep sea, tracing how life adapts to the world’s most extreme pressures. When he isn’t exploring the seafloor with robotic eyes in search of new species, he enjoys spending time in the ocean, diving, surfing, or going to music festivals with friends.

Dr. Sergi Taboada

Sergi is a marine biologist from the Museo Nacional de Ciencias Naturales (CSIC) in Madrid who studies environmental DNA (e-DNA) from sponges and how life “travels” across the ocean, investigating the hidden connections between seamounts and the deep-sea floor. When he isn’t solving the mysteries of marine dispersal, he loves having fun with his two kids and he also spends some time watching football (Barça supporter).
Franziska Saalman

Franziska is a marine biologist and working as a science coordinator and oceans campaigner at Greenpeace. She is driven by translating scientific results into political action and actual conservation – and so has found her dream job at Greenpeace. In the past two years, she has already been in the Arctic twice with a Greenpeace ship to do research on the deep diving whales threatened by deep sea mining. Now, she can’t wait to study the ecosystems at the bottom of the deep sea. When she’s not on ships or in the office, she likes to be in the water, at concerts or on a bike.

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