Simon Holmström
@simonholmstrom.bsky.social
Advocate for ocean protection in Brussels 🌊 | Former Nordic MP 🗳️ | Born at 357.13 ppm 🌍 | Committed to daydreaming 🚀| Views are my own
Turns out the mid‑ocean’s buffet is at risk 🍽️. New research shows the #DeepSeaMining plume dilutes the nutritional base of the food web. Bigger particles that feed zooplankton & micronekton get replaced by waste. Harsh consequences for the creatures riding the ocean column. Time to #DefendTheDeep. 🐬
Deep-sea mining discharge can disrupt midwater food webs - Nature Communications
Deep-sea mining in the Clarion-Clipperton Zone may release waste into midwaters that support diverse marine life. This study finds such discharges could dilute key food particles and disrupt trophic l...
www.nature.com
November 6, 2025 at 10:47 AM
Turns out the mid‑ocean’s buffet is at risk 🍽️. New research shows the #DeepSeaMining plume dilutes the nutritional base of the food web. Bigger particles that feed zooplankton & micronekton get replaced by waste. Harsh consequences for the creatures riding the ocean column. Time to #DefendTheDeep. 🐬
The U.S. and China are racing to the bottom - literally. 🌊 #CookIslands caught in the middle, with #DeepSeaMining impacts risking marine ecosystems. This a test of whether we’ve learned anything from history. @theguardian.com covers this well today. Let's #DefendTheDeep.
In the depths of the ocean, a new contest between the US and China emerges
Around the Cook Islands, the world’s two most powerful countries are exploring the possibility of deep-sea mining for critical minerals
www.theguardian.com
October 24, 2025 at 8:10 AM
The U.S. and China are racing to the bottom - literally. 🌊 #CookIslands caught in the middle, with #DeepSeaMining impacts risking marine ecosystems. This a test of whether we’ve learned anything from history. @theguardian.com covers this well today. Let's #DefendTheDeep.
The #ArcticCircleAssembly Ocean plenary sent a clear message on #DeepSeaMining 🌊: We know too little about the #DeepSea and once the damage is done, it may be irreversible. ❌ Let’s choose wisdom over haste and apply a #moratorium. 💙🪸 That is the only way to #DefendTheDeep.
October 17, 2025 at 5:38 PM
The #ArcticCircleAssembly Ocean plenary sent a clear message on #DeepSeaMining 🌊: We know too little about the #DeepSea and once the damage is done, it may be irreversible. ❌ Let’s choose wisdom over haste and apply a #moratorium. 💙🪸 That is the only way to #DefendTheDeep.
The #Arctic is warming fast and so is the geopolitics. 🧊⚠️
As nations eye new shipping routes and #DeepSea resources, fragile marine ecosystems risk becoming collateral damage. Happy to be in #Reykjavik with colleagues to raise awareness of ocean action at the #ArcticCircleAssembly.
As nations eye new shipping routes and #DeepSea resources, fragile marine ecosystems risk becoming collateral damage. Happy to be in #Reykjavik with colleagues to raise awareness of ocean action at the #ArcticCircleAssembly.
October 17, 2025 at 2:00 PM
The #Arctic is warming fast and so is the geopolitics. 🧊⚠️
As nations eye new shipping routes and #DeepSea resources, fragile marine ecosystems risk becoming collateral damage. Happy to be in #Reykjavik with colleagues to raise awareness of ocean action at the #ArcticCircleAssembly.
As nations eye new shipping routes and #DeepSea resources, fragile marine ecosystems risk becoming collateral damage. Happy to be in #Reykjavik with colleagues to raise awareness of ocean action at the #ArcticCircleAssembly.
An unproven industry is eyeing the Arctic: #DeepSeaMining. 🌊⚒️ Fortunately, global momentum for a halt is growing. 🪸 As the Arctic Circle Assembly begins, see this new policy brief which explains why Arctic states should #DefendTheDeep. @seasatrisk.bsky.social 💡
Policy brief: Why Arctic states must protect the deep - Seas At Risk
Interest in the Arctic’s natural resources is growing, including its deep-sea mineral resources. Two Arctic countries are moving ahead with plans for deep-sea mining, Norway and the U.S., despite moun...
seas-at-risk.org
October 15, 2025 at 5:52 PM
An unproven industry is eyeing the Arctic: #DeepSeaMining. 🌊⚒️ Fortunately, global momentum for a halt is growing. 🪸 As the Arctic Circle Assembly begins, see this new policy brief which explains why Arctic states should #DefendTheDeep. @seasatrisk.bsky.social 💡
Out today: 🧐 Only 20% of Norwegians want #DeepSeaMining. Quite a few more want to "fjord-get it"!
Time for the upcoming government to stop digging where there’s no public support - and let the #DeepSea rest. 🌊
#DefendTheDeep #KeepItInTheSeabed 🐬
Time for the upcoming government to stop digging where there’s no public support - and let the #DeepSea rest. 🌊
#DefendTheDeep #KeepItInTheSeabed 🐬
Bare 2 av 10 vil åpne for gruver på havbunnen
Flertallet er klart imot gruvedrift på havbunnen, viser en undersøkelse. Blant Aps egne velgere er det enda mindre populært.
klassekampen.no
October 13, 2025 at 8:10 AM
Out today: 🧐 Only 20% of Norwegians want #DeepSeaMining. Quite a few more want to "fjord-get it"!
Time for the upcoming government to stop digging where there’s no public support - and let the #DeepSea rest. 🌊
#DefendTheDeep #KeepItInTheSeabed 🐬
Time for the upcoming government to stop digging where there’s no public support - and let the #DeepSea rest. 🌊
#DefendTheDeep #KeepItInTheSeabed 🐬
#TheMetalsCompany is a textbook case of speculative overreach: a penny stock that has inflated on political noise, risky legal bets and illusions. Ready my analysis on the #DeepSeaMining company here.
#donaldtrump #deepseamining #speculation #pirates #unclos #shortsqueeze #freecashflow #balancesheet #dsm #nautilusminerals | Simon Holmström
Stock Analysis: The Metals Company (NASDAQ: TMC)
🎢 The stock surged again to a 52 week high based on #DonaldTrump reported having talks with another Canadian mining company. Speculative investors rus...
www.linkedin.com
October 8, 2025 at 10:47 AM
#TheMetalsCompany is a textbook case of speculative overreach: a penny stock that has inflated on political noise, risky legal bets and illusions. Ready my analysis on the #DeepSeaMining company here.
We’ve mapped the surface of the moon better than the #DeepSea - yet some still want to mine it before meeting the neighbors (sharks, rays, ghost sharks!). Maybe curiosity, not greed, should guide our next dive. 🌊✨ #ProtectTheDeep #NoDeepSeaMining #Moratorium #KeepItInTheSeabed
Sharks, rays, chimaeras further threatened by deep-sea mining | University of Hawaiʻi System News
The habitat of 30 species of sharks, rays, and chimaeras, also called ghost sharks, overlap with areas where proposed deep-sea mining may occur.
www.hawaii.edu
October 7, 2025 at 1:22 PM
We’ve mapped the surface of the moon better than the #DeepSea - yet some still want to mine it before meeting the neighbors (sharks, rays, ghost sharks!). Maybe curiosity, not greed, should guide our next dive. 🌊✨ #ProtectTheDeep #NoDeepSeaMining #Moratorium #KeepItInTheSeabed
Reposted by Simon Holmström
Ocean Week is brought to you by: @seasatrisk.bsky.social, @surfridereurope.bsky.social, @clientearth.bsky.social, @oceanaeurope.bsky.social, @birdlifeeurope.bsky.social, and @wwf.eu
October 1, 2025 at 7:32 AM
Ocean Week is brought to you by: @seasatrisk.bsky.social, @surfridereurope.bsky.social, @clientearth.bsky.social, @oceanaeurope.bsky.social, @birdlifeeurope.bsky.social, and @wwf.eu
🪸🐙 The #DeepSea just dropped a new album: 40+ new species in the Mar del Plata Canyon! Featuring #BarbieCrabs, #SeaPigs and other ocean oddities. Proof the ocean is still the weirdest, coolest place on Earth 🌊✨
#KeepItInTheSeabed #DefendTheDeep
#KeepItInTheSeabed #DefendTheDeep
Barbie crabs, sea pigs, and 40 new species discovered in a giant underwater canyon
Argentina explores Mar del Plata Canyon for the first time: 40 new species are discovered and the country is captivated by the live broadcast
www.earth.com
October 3, 2025 at 8:27 AM
🪸🐙 The #DeepSea just dropped a new album: 40+ new species in the Mar del Plata Canyon! Featuring #BarbieCrabs, #SeaPigs and other ocean oddities. Proof the ocean is still the weirdest, coolest place on Earth 🌊✨
#KeepItInTheSeabed #DefendTheDeep
#KeepItInTheSeabed #DefendTheDeep
🌍 Europe’s new #Environment2025 report is out. The verdict? Our material binge is wrecking the planet and our competitiveness. Each of us uses 14 tonnes of stuff & dumps 5 tonnes of waste every year. 🚮
The fix? #CircularEconomy + #DemandReduction
Time to #ReduceReuseRegenerate.
The fix? #CircularEconomy + #DemandReduction
Time to #ReduceReuseRegenerate.
Europe's environment 2025
Europe's environment 2025 provides decision makers at European and national levels as well as the general public with a comprehensive and cross-cutting assessment on environment, climate and sustainab...
www.eea.europa.eu
September 30, 2025 at 8:57 AM
🌍 Europe’s new #Environment2025 report is out. The verdict? Our material binge is wrecking the planet and our competitiveness. Each of us uses 14 tonnes of stuff & dumps 5 tonnes of waste every year. 🚮
The fix? #CircularEconomy + #DemandReduction
Time to #ReduceReuseRegenerate.
The fix? #CircularEconomy + #DemandReduction
Time to #ReduceReuseRegenerate.
🌊 The #BBNJ Treaty hits 60+ ratifications & will enter into force next year. This is great proof that multilateralism can work! 🎉
Now, if the world can unite to protect the #HighSeas, it can also unite to stop #DeepSeaMining. More work ahead!
#BBNJ #DefendTheDeep #KeepItInTheSeabed
Now, if the world can unite to protect the #HighSeas, it can also unite to stop #DeepSeaMining. More work ahead!
#BBNJ #DefendTheDeep #KeepItInTheSeabed
Hard-Fought Treaty to Protect Ocean Life Clears a Final Hurdle
www.nytimes.com
September 22, 2025 at 9:57 AM
🌊 The #BBNJ Treaty hits 60+ ratifications & will enter into force next year. This is great proof that multilateralism can work! 🎉
Now, if the world can unite to protect the #HighSeas, it can also unite to stop #DeepSeaMining. More work ahead!
#BBNJ #DefendTheDeep #KeepItInTheSeabed
Now, if the world can unite to protect the #HighSeas, it can also unite to stop #DeepSeaMining. More work ahead!
#BBNJ #DefendTheDeep #KeepItInTheSeabed
🧭 Let’s be real: #DeepSeaMining won’t magically unchain us from China’s grip.
Without processing capacity, we’re just shipping rocks while Beijing keeps the refinery keys. 🔑🌊
#KeepItInTheSeabed #StopDeepSeaMining #DefendTheDeep #Moratorium
Without processing capacity, we’re just shipping rocks while Beijing keeps the refinery keys. 🔑🌊
#KeepItInTheSeabed #StopDeepSeaMining #DefendTheDeep #Moratorium
The Missing Piece: Minerals Processing and Deep Sea Mining
The resilience and diversification of mineral supply chains have become significant topics of concern in recent times.
moderndiplomacy.eu
September 19, 2025 at 9:05 AM
🧭 Let’s be real: #DeepSeaMining won’t magically unchain us from China’s grip.
Without processing capacity, we’re just shipping rocks while Beijing keeps the refinery keys. 🔑🌊
#KeepItInTheSeabed #StopDeepSeaMining #DefendTheDeep #Moratorium
Without processing capacity, we’re just shipping rocks while Beijing keeps the refinery keys. 🔑🌊
#KeepItInTheSeabed #StopDeepSeaMining #DefendTheDeep #Moratorium
Just dropped: ABC News' "Race to the Bottom" - a #DeepDive into #DeepSeaMining that’s anything but soothing. The new pirates are going for the #DeepSea.🌊🤿 #DeepSeaMining #DefendTheDeep #KeepItInTheSeabed
Race to the Bottom
Four Corners is the home of Australian investigative journalism.
www.abc.net.au
September 9, 2025 at 9:18 AM
Just dropped: ABC News' "Race to the Bottom" - a #DeepDive into #DeepSeaMining that’s anything but soothing. The new pirates are going for the #DeepSea.🌊🤿 #DeepSeaMining #DefendTheDeep #KeepItInTheSeabed
#DeepSeaMining without Free Prior and Informed Consent, an internationally recognised principle?
That’s not “innovation” that’s #Colonisation 2.0.
#AmericanSamoa has already said NO. Respect it. 🌊✊
#FPIC #IndigenousRights #KeepItInTheSeabed #DefendTheDeep #Moratorium
That’s not “innovation” that’s #Colonisation 2.0.
#AmericanSamoa has already said NO. Respect it. 🌊✊
#FPIC #IndigenousRights #KeepItInTheSeabed #DefendTheDeep #Moratorium
American Samoa says no to deep-sea mining. The Trump administration might do it anyway.
The CEO of a seabed mining startup says the decision about mining leases will be made in Washington, D.C.
grist.org
September 4, 2025 at 7:32 AM
#DeepSeaMining without Free Prior and Informed Consent, an internationally recognised principle?
That’s not “innovation” that’s #Colonisation 2.0.
#AmericanSamoa has already said NO. Respect it. 🌊✊
#FPIC #IndigenousRights #KeepItInTheSeabed #DefendTheDeep #Moratorium
That’s not “innovation” that’s #Colonisation 2.0.
#AmericanSamoa has already said NO. Respect it. 🌊✊
#FPIC #IndigenousRights #KeepItInTheSeabed #DefendTheDeep #Moratorium
4 ships. 10.5M tons of nodules a year. #DeepSeaCritters? Probably not invited. #TMC seabed armada is coming, permits pending, chaos guaranteed. Will countries call the #DeepSeaMining bluff or just watch? 🌊⚒️ Let's #DefendTheDeep and #KeepItInTheSeabed.
Mijnbouwbedrijf wil eerste diepzeemijn veel sneller leeghalen
Niet één of twee schepen die gelijktijdig de zeebodem mijnen, maar vier. De plannen voor de eerste zeemijn blijken omvangrijker dan gedacht.
www.trouw.nl
August 28, 2025 at 2:47 PM
4 ships. 10.5M tons of nodules a year. #DeepSeaCritters? Probably not invited. #TMC seabed armada is coming, permits pending, chaos guaranteed. Will countries call the #DeepSeaMining bluff or just watch? 🌊⚒️ Let's #DefendTheDeep and #KeepItInTheSeabed.
#DeepSeaMining: because who doesn’t want to ruin the ocean floor for some shiny rocks? 🌊💀 Luckily, expert Pradeep Singh explains why it’s a terrible idea in this fresh piece by @mongabay.com. Thanks for debunking the myths! Let's #DefendTheDeep and #KeepItInTheSeabed!
Deep-sea mining is a false solution to our challenges (commentary)
The deep sea, the planet’s most expansive and least understood ecosystem, remains largely unexplored. Yet while the deep sea may seem a dark and distant space, events underwater directly impact our li...
news.mongabay.com
August 20, 2025 at 11:04 AM
#DeepSeaMining: because who doesn’t want to ruin the ocean floor for some shiny rocks? 🌊💀 Luckily, expert Pradeep Singh explains why it’s a terrible idea in this fresh piece by @mongabay.com. Thanks for debunking the myths! Let's #DefendTheDeep and #KeepItInTheSeabed!
Mining the #DeepSea isn’t just a tech gamble, it’s a cultural wound. #CookIslands debate shows why the Pacific needs a #Moratorium on #DeepSeaMining: protect identity, sovereignty and the ocean that sustains us. This in a fresh piece by @rnzrss.bsky.social today. #DefendTheDeep #KeepItInTheSeabed
Cook Islands confronts critical questions on identity as debate on deep sea mining grows
The question facing its people is no longer just about mining - but about identity, sovereignty, stewardship, and the ocean that binds them all.
www.rnz.co.nz
August 18, 2025 at 8:37 AM
Mining the #DeepSea isn’t just a tech gamble, it’s a cultural wound. #CookIslands debate shows why the Pacific needs a #Moratorium on #DeepSeaMining: protect identity, sovereignty and the ocean that sustains us. This in a fresh piece by @rnzrss.bsky.social today. #DefendTheDeep #KeepItInTheSeabed
🚨 New article out in #Nature: The #InternationalSeabedAuthority is nowhere ready to monitor #DeepSeaMining. 🌊⚒️
The #ISA regulations are not even in beta testing mode. Meanwhile, industry is already at the starting line. 🕳️⚡ Yet, history tells us: Lets not make this up as we go. 📜🔍 #DefendTheDeep
The #ISA regulations are not even in beta testing mode. Meanwhile, industry is already at the starting line. 🕳️⚡ Yet, history tells us: Lets not make this up as we go. 📜🔍 #DefendTheDeep
Improved environmental monitoring is essential to regulate deep-seabed mining - Nature Reviews Biodiversity
The environmental effects of deep-seabed mining can only be managed within acceptable limits if they are effectively monitored. To achieve this for deep-seabed mining in international waters, four cri...
www.nature.com
August 14, 2025 at 1:15 PM
🚨 New article out in #Nature: The #InternationalSeabedAuthority is nowhere ready to monitor #DeepSeaMining. 🌊⚒️
The #ISA regulations are not even in beta testing mode. Meanwhile, industry is already at the starting line. 🕳️⚡ Yet, history tells us: Lets not make this up as we go. 📜🔍 #DefendTheDeep
The #ISA regulations are not even in beta testing mode. Meanwhile, industry is already at the starting line. 🕳️⚡ Yet, history tells us: Lets not make this up as we go. 📜🔍 #DefendTheDeep
The #Trump push to fast-track #DeepSeaMining feels like skipping the ‘read the instructions’ phase… right before we break the planet’s last intact ecosystems. 🌍🔨Read the new piece by @fieseler.bsky.social here on the need to safeguard the #CommonHeritageofHumankind. #Moratorium #DefendTheDeep
Trump’s push to mine deep-sea battery metals draws ire from allies
At U.N. talks in Jamaica, allies blasted the U.S. bid to unilaterally mine the high seas. Some made an unusual move to side with America’s economic foe:…
www.canarymedia.com
August 13, 2025 at 2:32 PM
The #Trump push to fast-track #DeepSeaMining feels like skipping the ‘read the instructions’ phase… right before we break the planet’s last intact ecosystems. 🌍🔨Read the new piece by @fieseler.bsky.social here on the need to safeguard the #CommonHeritageofHumankind. #Moratorium #DefendTheDeep
Happy to feature in Finnish public news house Yle @yle.naamio.social picking up on the outcomes of the July meetings of the #InternationalSeabedAuthority and the need for a #Moratorium on #DeepSeaMining.
Merten pohjassa on satojentuhansien miljardien aarre – nyt väitellään siitä, saako Trump napata sen Yhdysvalloille
Yhdysvallat haluaa aloittaa metallisaostumien noston, vaikka kansainvälisistä pelisäännöistä ei ole sovittu. Tieteilijät ovat huolissaan merenpohjan kaivostoiminnan vaikutuksista.
yle.fi
August 11, 2025 at 8:13 AM
Happy to feature in Finnish public news house Yle @yle.naamio.social picking up on the outcomes of the July meetings of the #InternationalSeabedAuthority and the need for a #Moratorium on #DeepSeaMining.
One week in Kingston. Governments at the #ISA Assembly failed to move forward much need reform yet again. The #DeepSea and the Ocean needs resolute ambition. I wrote about it here for @seasatrisk.bsky.social
#KeepItInTheSeabed #DefendTheDeep #DeepSeaMining
#KeepItInTheSeabed #DefendTheDeep #DeepSeaMining
Global deep-sea mining talks yield mixed verdict: No mining for now but no reform either - Seas At Risk
As the International Seabed Authority (ISA) concluded its July 2025 Council and Assembly meetings in Kingston, one clear message stood out: deep-sea mining in international waters remains off limits –...
seas-at-risk.org
July 26, 2025 at 2:08 AM
One week in Kingston. Governments at the #ISA Assembly failed to move forward much need reform yet again. The #DeepSea and the Ocean needs resolute ambition. I wrote about it here for @seasatrisk.bsky.social
#KeepItInTheSeabed #DefendTheDeep #DeepSeaMining
#KeepItInTheSeabed #DefendTheDeep #DeepSeaMining
Reposted by Simon Holmström
We are delighted to welcome Croatia as the 38th country supporting a moratorium or precautionary pause on deep-sea mining!
The wave continues to grow, with more countries saying no to #DeepSeaMining
#StopTheMachines
The wave continues to grow, with more countries saying no to #DeepSeaMining
#StopTheMachines
July 24, 2025 at 9:41 PM
We are delighted to welcome Croatia as the 38th country supporting a moratorium or precautionary pause on deep-sea mining!
The wave continues to grow, with more countries saying no to #DeepSeaMining
#StopTheMachines
The wave continues to grow, with more countries saying no to #DeepSeaMining
#StopTheMachines
Glad to see #Croatia joining the growing group of countries calling for a #PrecationaryPause on #DeepSeaMining here at the #InternationalSeabedAuthority. With 38 countries now supporting this position, the momentum is building to protect the planet’s least understood and most fragile ecosystem.
July 24, 2025 at 9:20 PM
Glad to see #Croatia joining the growing group of countries calling for a #PrecationaryPause on #DeepSeaMining here at the #InternationalSeabedAuthority. With 38 countries now supporting this position, the momentum is building to protect the planet’s least understood and most fragile ecosystem.
One year after the discovery of #DarkOxygen, @sciam.bsky.social explores what happened thereafter.
Still mind-blowing. Still a reason to pause #DeepSeaMining.
We should know more before we destroy what we don’t understand. #KeepItInTheSeabed #ISA #StopDeepSeaMining
Still mind-blowing. Still a reason to pause #DeepSeaMining.
We should know more before we destroy what we don’t understand. #KeepItInTheSeabed #ISA #StopDeepSeaMining
Millions of Mysterious Deep-Sea Nodules Offer Clues to Life—And Riches to be Mined
When researchers discovered evidence of “dark oxygen” last year, the news spread around the world, but the biggest challenge to the science comes from its funders
www.scientificamerican.com
July 24, 2025 at 2:59 PM
One year after the discovery of #DarkOxygen, @sciam.bsky.social explores what happened thereafter.
Still mind-blowing. Still a reason to pause #DeepSeaMining.
We should know more before we destroy what we don’t understand. #KeepItInTheSeabed #ISA #StopDeepSeaMining
Still mind-blowing. Still a reason to pause #DeepSeaMining.
We should know more before we destroy what we don’t understand. #KeepItInTheSeabed #ISA #StopDeepSeaMining